Market statistics
SPY initial balance statistics
How often SPY leaves the range of its first trading hour, and how far it goes.
Recalculated 2026-09-25 from market data. No opinions, just counts.
IB high broken
63%
59 sessions
IB low broken
63%
Both sides broken
29%
Reached 1x extension
22%
The initial balance is the range of the first hour of the regular session, averaging $3.29 wide in this sample. An extension is a move a full initial balance width beyond either side.
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Initial Balance draws these levels and keeps the counts for whichever symbol you are looking at. It is free and public on TradingView.
Past behaviour is a description of what happened, not a forecast. These pages exist so a level can be judged against a count rather than a habit.