0-9
0DTE (Zero Days To Expiration)
Also known as: Same Day Expiration
Options contracts that expire on the current trading day; highly volatile and time-sensitive.
Related: DTE, 7DTE, Premium, GEX
7DTE (Seven Days To Expiration)
Also known as: Weekly Expiration
Options contracts expiring within seven days; commonly used for short-term GEX analysis.
Related: DTE, 0DTE, GEX, Premium
A
ATR (Average True Range)
A technical indicator measuring market volatility by analyzing the range between high and low prices over a specified period.
Related: Volatility, Price Action
B
Bearish
Also known as: Downward / Negative Sentiment
Expecting or indicating a downward price movement; negative market sentiment.
Related: Bullish, Puts, Resistance, Bronze Sweep
Bronze Sweep
Also known as: Bearish Sweep
A large, unusual option transaction analyzed as bearish by BigShort's proprietary algorithms.
Related: Golden Sweep, UO, NOF, OptionFlow
Bullish
Also known as: Upward / Positive Sentiment
Expecting or indicating an upward price movement; positive market sentiment.
Related: Bearish, Calls, Support, Golden Sweep
C
Call Wall
Also known as: Call HP / Green Line
The strike price with maximum call gamma (green line in GEX); acts as resistance where dealer selling pressure increases.
Related: Put Wall, GEX, HP, Resistance, Gamma
Calls
Also known as: Call Options
Options contracts giving the buyer the right to purchase the underlying asset at a specified strike price before expiration.
Related: Puts, Premium, Strike Price, NOF, Bullish
Candlestick
Also known as: Candle / Bar
A chart element showing open, high, low, and close prices for a specific time period.
Related: OHLCV, Price Action, Timeframe
ChartGame
A free online simulator (ChartGame.com) that helps traders practice decision-making using historical charts without risking real capital.
Related: Price Action, ORB, Support, Resistance
Confluence
Also known as: Alignment / Confirmation
When multiple indicators or signals align to support the same directional bias, increasing the probability of a successful trade.
Related: NOF, Dark Pools, MomoFlow, GEX, Price Action
D
Dark Pools
See: DP
Private trading venues where large institutions execute orders away from public exchanges to minimize market impact.
Related: DP, DarkFlow, Support, Resistance
DarkFlow
A ranked discovery tool showing tickers with the most significant current Dark Pool activity across the market.
Related: DP, Dark Pools, Volume
Delta
An option Greek measuring how much an option's price changes for every $1 move in the underlying stock; indicates directional exposure.
Related: Gamma, Greeks, GEX, Premium
Derivatives
Financial instruments whose value is derived from an underlying asset, such as options, futures, or swaps.
Related: Calls, Puts, Options, Spot Market
DIA (Dow Jones ETF)
Also known as: Dow ETF
An exchange-traded fund that tracks the Dow Jones Industrial Average.
Related: SPY, QQQ, ETF, UltraFlow
DP (Dark Pool)
Also known as: Dark Prints
Private trading venues where large institutions execute orders away from public exchanges to minimize market impact; individual prints are called Dark Prints.
Related: DarkFlow, Support, Resistance, Confluence
DTE (Days To Expiration)
Also known as: Time to Expiration
The number of calendar days remaining until an option contract expires.
Related: Premium, Greeks, 0DTE, 7DTE
Dumb Money
Also known as: Retail / Momo Traders
Emotional or reactionary traders; typically retail investors and less sophisticated institutional players.
Related: MomoFlow, Shadow Bars, Smart Money
E
ETF (Exchange Traded Fund)
A marketable security that tracks an index, commodity, bonds, or basket of assets.
Related: SPY, QQQ, DIA, Spot Market
Exhaustion
Also known as: Flow Exhaustion / Overextension
A condition where sustained flow in one direction becomes overextended, often leading to a sharp reversal when the dominant side "tires out".
Related: MomoFlow, NOF, Reversal
G
Gamma
An option Greek measuring the rate of change of delta; highest for at-the-money options near expiration, critical for dealer hedging flows.
Related: Delta, Greeks, GEX, Market Makers
GEX (Gamma Exposure)
Net changes to delta exposure across the market, plotting critical price levels where dealer hedging creates dynamic support and resistance zones.
Related: Gamma, Delta, Call Wall, Put Wall, Zero Gamma Flip, HP
Golden Sweep
Also known as: Bullish Sweep
A large, unusual option transaction analyzed as bullish by BigShort's proprietary algorithms.
Related: Bronze Sweep, UO, NOF, OptionFlow
Greeks (The)
Also known as: Option Greeks
Mathematical calculations (Delta, Gamma, Theta, Vega, Rho) used to assess option pricing and risk exposure.
Related: Delta, Gamma, Premium, Volatility
H
HBD (Honey Badger Day)
Also known as: Badgerish Day
A rare, high-probability setup (up to 90% for 3-HBD) that typically shows early morning weakness followed by a late-day rally in SPY, indicated by the Squeeze Meter.
Related: Squeeze Meter, UltraFlow, NOF, Short Squeeze
Hedge/Hedging
Taking offsetting positions to reduce risk exposure; market makers hedge to maintain neutral positions as prices move.
Related: Market Makers, Delta, Gamma, HP
HFT (High-Frequency Trading)
Also known as: Algo Trading
Automated trading strategies that execute orders in milliseconds using algorithms.
Related: SmartFlow, Market Makers, Order Flow
Honey Badger Day
See: HBD
A high-probability SPY setup signaled by the Squeeze Meter reaching 3-HBD or higher.
Related: HBD, Squeeze Meter, Short Squeeze
HP (Hedge Pressure)
Price levels where market maker hedging activity creates support or resistance.
Related: GEX, Market Makers, Support, Resistance
I
Implied Volatility
Also known as: IV
The market's forecast of likely movement in an asset's price; higher IV means more expensive options.
Related: Volatility, Premium, Skew, Greeks
Inverse Indicator
Also known as: Contrarian Signal
An indicator where the typical interpretation is reversed; high values suggest opposite price movement.
Related: MomoFlow, Shadow Bars, Dumb Money
L
L2 (Level 2 Data)
Also known as: Level II
Real-time order book data showing bid and ask prices beyond the best available quote.
Real-time order book data showing bid and ask prices beyond the best available quote.
Related: L3, Order Flow, Market Makers
L3 (Level 3 Data)
Also known as: Level III
Advanced market data including all quotes, cancellations, and fills from exchanges.
Advanced market data including all quotes, cancellations, and fills from exchanges.
Related: L2, Order Flow, SmartFlow, MomoFlow
M
MA (Moving Average)
A lagging indicator that averages price data over a specified time period to smooth out fluctuations.
Related: OHLCV, RSI, Price Action
Manipulation
See: MMPD
Advanced indicator showing potential manipulative trading activity by market makers (SmartFlow chart only, for professional users).
Related: MMPD, SmartFlow, Market Makers
Market Makers
Also known as: MM / Dealers
Financial firms that provide liquidity by continuously quoting buy and sell prices; must hedge their positions as markets move.
Related: Hedging, GEX, Gamma, Delta, HP
Martian NOF
Also known as: Martian Net Option Flow
A variant of Net Option Flow that excludes unusual option premiums, focusing only on regular market activity for clearer sentiment reading.
Related: NOF, NOFA, Regular Flow
MMPD (Market Maker Price Discovery)
Also known as: MM Price Discovery
Advanced indicator tracking market maker positioning and manipulative activity (Elite feature).
Related: Manipulation, SmartFlow, Market Makers
Momo
See: MomoFlow
Short for Momentum Flow or Momentum Traders.
Related: MomoFlow, Shadow Bars, Dumb Money
Momo Mondays
A phenomenon where SPY tends to follow MomoFlow direction on Mondays rather than acting as an inverse indicator.
Related: MomoFlow, HBD, SPY
MomoFlow
Also known as: Momentum Flow / Shadow Bars
Momentum Flow - tracks emotional and discretionary trading from retail and "dumb money"; often acts as an inverse indicator.
Related: Shadow Bars, SmartFlow, Order Flow, Inverse Indicator
N
Net Option Flow
See: NOF
Dollar-weighted net premium showing directional bias in options activity.
Related: NOF, NOFA, Calls, Puts
NOF (Net Option Flow)
Dollar-weighted net premium of all call and put buying and selling activity; differentiates buys from sells.
Related: NOFA, Martian NOF, OptionFlow, Unusual Premium
NOFA (Net Option Flow Accumulation)
Also known as: NOF Accumulation / Green Line
The running daily tally of net premium flows; tracks cumulative directional sentiment throughout the trading day.
Related: NOF, Martian NOF, Calls, Puts
O
OHLCV (Open High Low Close Volume)
The five basic data points that most brokers provide for each trading period.
Related: Candlestick, Price Action, Volume
OptionFlow
A tab/feature showing large and unusual option activity for any ticker with sentiment analysis (bullish/bearish/neutral).
Related: NOF, UO, Golden Sweep, Bronze Sweep
ORB (Opening Range Breakout)
A trading strategy based on price breaking above or below the range established in the first period of trading.
Related: Price Action, Support, Resistance
Order Flow
All market, limit, and stop orders being placed, cancelled, or filled; the real-time buying and selling activity moving prices.
Related: L2, L3, SmartFlow, MomoFlow
P
Power Hour
Also known as: Final Hour
The last hour of the trading day when institutional activity often distorts typical patterns; requires cautious interpretation.
Related: OptionFlow, Volume, Institutional Activity
Premium
Also known as: Option Premium
The price paid for an option contract; reflects time value, intrinsic value, and implied volatility.
Related: Calls, Puts, NOF, UO, Greeks
Price Action
Also known as: PA
The movement of price over time; the foundation of technical analysis showing real-time supply and demand dynamics.
Related: Candlestick, Support, Resistance, Timeframe, ORB
Put Wall
Also known as: Put HP / Red Line
The strike price with maximum put gamma (red line in GEX); acts as support where dealer buying pressure increases.
Related: Call Wall, GEX, HP, Support, Gamma
Puts
Also known as: Put Options
Options contracts giving the buyer the right to sell the underlying asset at a specified strike price before expiration.
Related: Calls, Premium, Strike Price, NOF, Bearish
Q
QQQ (Nasdaq 100 ETF)
Also known as: Nasdaq ETF / Triple Q
An exchange-traded fund that tracks the Nasdaq-100 Index, heavily weighted toward technology stocks.
Related: SPY, DIA, ETF, UltraFlow
R
Resistance
A price level where selling pressure historically prevents further upward movement.
Related: Support, Price Action, Dark Pools, Call Wall
RSI (Relative Strength Index)
A momentum oscillator measuring the speed and magnitude of recent price changes to identify overbought or oversold conditions.
Related: MA, ATR, Price Action, OHLCV
S
SE (Short Exempt)
A designation allowing short sales to bypass the uptick rule and short sale restrictions (SSR).
Related: SSR, Short Squeeze, Market Makers
Seasonality
Historical performance patterns based on calendar date or day of week; a weaker force used to add context to stronger indicators.
Related: Price Action, Confluence
SF (SmartFlow / SF Segregated)
Also known as: Smart Flow
Refers to either the SmartFlow indicator or the SF Segregated page, which shows algorithmic trading activity from market makers and institutions.
Related: MomoFlow, Order Flow, HFT, L2, L3
Shadow Bars
Also known as: Momo Bars
Gray bars in the MomoFlow chart showing momentum-driven buying (up) or selling (down); often acts as inverse indicator for SPY.
Related: MomoFlow, Inverse Indicator, Dumb Money
Short Squeeze
Also known as: Squeeze
Rapid price increase forcing short sellers to buy back shares to cover positions; creates additional buying pressure.
Related: SE, SSR, Squeeze Meter, HBD
SimSearch
Also known as: Similarity Search
Analyzes historical data to identify the 5 days most similar to current intraday patterns for predictive insights.
Related: UltraFlow, Price Action, Pattern Recognition
Skew
Also known as: Options Skew
An options metric showing the difference in implied volatility between puts and calls; indicates market sentiment (Elite feature).
Related: Implied Volatility, Greeks, Premium
Smart Money
Institutional traders, algorithms, and sophisticated market participants who trade based on analysis rather than emotion.
Related: SmartFlow, Market Makers, HFT, Dumb Money
SmartFlow
See: SF
Algorithmic trading flow from market makers, institutions, and HFT; fast, calculated, formula-based moves not driven by emotion.
Related: MomoFlow, Order Flow, HFT, Smart Money
Spot Market
Also known as: Cash Market / Equities
The market for immediate delivery of an asset (stocks/equities) as opposed to derivatives like options or futures.
Related: Derivatives, ETF, Underlying
Spodin
Also known as: Spear of Odin
BigShort's proprietary closed-system alert tool for setting private price alerts via call or text, protecting from market maker exploitation.
Related: Market Makers, Alerts
SPY (S&P 500 ETF)
Also known as: S&P ETF / Spider
An exchange-traded fund that tracks the S&P 500 Index, the most widely followed equity index.
Related: QQQ, DIA, ETF, UltraFlow, HBD
Squeeze Meter
Proprietary analysis of SPY UltraFlow measuring short pressure in the market; signals Honey Badger Days when shorting is excessive.
Related: HBD, Short Squeeze, UltraFlow, SE
SSR (Short Sale Restriction)
Also known as: Uptick Rule
A rule requiring shorts to only occur on an uptick (when stock trades above last sale price), typically triggered after a 10% intraday decline.
Related: SE, Short Squeeze, Market Makers
Strike Price
Also known as: Strike
The predetermined price at which an option can be exercised (bought or sold).
Related: Calls, Puts, Premium, GEX
Support
A price level where buying pressure historically prevents further downward movement.
Related: Resistance, Price Action, Dark Pools, Put Wall
Sweeps
Urgent multi-exchange option orders indicating strong directional conviction; categorized as Golden (bullish) or Bronze (bearish).
Related: Golden Sweep, Bronze Sweep, UO, OptionFlow
U
UF (UltraFlow)
Aggregated flow data from all constituent tickers within an index rather than the index ETF itself.
Related: SPY, QQQ, DIA, SimSearch, Squeeze Meter
Underlying
Also known as: Underlying Asset
The stock or security that an option or derivative contract is based upon.
Related: Spot Market, Derivatives, Calls, Puts
UltraFlow
See: UF
Aggregated data from all constituent tickers within an index (SPY, QQQ, DIA, IWM, or MDY), providing holistic view of market activity.
Related: UF, SimSearch, Squeeze Meter, ETF
UO (Unusual Options)
Also known as: Unusual Premium
Large option trades (typically over $1M in premium) including sweeps, blocks, and splits that indicate institutional activity.
Related: NOF, Golden Sweep, Bronze Sweep, OptionFlow
Unusual Premium
See: UO
Large option trades indicating institutional activity and strong conviction.
Related: UO, NOF, Golden Sweep, Bronze Sweep
V
Volatility
Also known as: Vol
The rate and magnitude of price changes; higher volatility means larger and faster price swings.
Related: Implied Volatility, ATR, GEX, Zero Gamma Flip
Volume
The total number of shares or contracts traded during a specific period.
Related: OHLCV, Order Flow, Dark Pools
Z
Zero Gamma Flip
Also known as: Zero HP / Turquoise Line
The price level (turquoise line) where gamma exposure changes from positive to negative; above = muted volatility, below = amplified volatility.
Related: GEX, Gamma, Call Wall, Put Wall, Volatility