SteadyTapeQuantitative Market Research

Gap-Up Follow-Through

SPY no notable up-gap today (-0.63%)

▶  View the live, interactive version with full charts →

After SPY opens with an up-gap: same-day continuation rate, gap-fill rate within a few days, and forward 1W/1M returns (Bespoke-style gap analysis).

Today Gap
-0.63%
thresh +0.75%
Continue Rate
61%
close >= open same day
Gap-Fill Rate
59%
within 5d
1M Win / Med
67% / +1.9%

When to run this study

Run after a notable up-gap open. Shows whether SPY gap-ups historically held and continued or faded and filled — same-day continuation rate, gap-fill rate within a few days, and forward 1W/1M returns.

Historical results

Gap-Up Events (311)

DateGap%Day%Held?Filled?Fill Days1W1M
2026-03-160.921.02HeldYes2-1.774.91
2025-12-180.920.76FadedNo2.351.62
2025-11-201.55-1.52FadedYes04.735.26
2025-11-100.931.56HeldYes3-2.310.90
2025-10-270.811.18HeldNo-0.28-1.49
2025-10-131.171.53HeldNo1.253.01
2025-07-310.79-0.38FadedYes00.032.05
2025-06-060.951.03HeldNo-0.364.47
2025-05-271.202.08HeldYes00.843.81
2025-05-123.043.30HeldNo2.033.15
2025-05-011.050.71FadedNo1.186.13
2025-04-083.47-1.57FadedYes08.2813.81
2025-03-241.211.79HeldYes4-2.56-6.73
2025-03-121.120.53FadedYes01.48-5.85
2025-01-151.401.82HeldNo2.862.85

Showing 15 of 311 rows — see the live version for all.