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The 12 largest gap-up opens in State Street SPDR S&P 500 ETF Trust (SPY) over the last three years and how the stock traded afterwards, from the same day to two weeks later.

For the latest figures, see SPY stock summary.

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Session Summary

Volume and Price

Volume by Trader Size

Premarket

VWAP

VWAP Charts

Opening Cross

Trading Hours

VWAP

VWAP Charts

Volume by Trader Size

Best Hour/Worst Hour

First Hour/Last Hour

Closing Cross

After Hours

VWAP

VWAP Charts

Dark Pool Trading

Volume

Volume by Trader Size

Historical Volume Breakdown

Historical Moves

Gap Up Moves

Gap Down Moves

Largest Up Moves

Largest Down Moves

Notable Trades

Large Block Trades

Contingent Trades

Largest Positive Opening Gaps for SPY

How does SPY usually behave after a large gap-up move?

Using the 12 largest gap-up moves over the last 3 years in SPY stock, the average move was +2.1% with the single largest opening gap of +3.5% occurring on 8-Apr-2025. Following the opening, SPY tended to drift lower to the closing price 67% of the time for an average loss of -0.8%. The following day, SPY stock price averaged +1.2% gains, with up moves more frequent than down moves. The stock was up 67% of the time in that period one day after these significant gaps.

Open-to-High and Open-to-Low

The largest percentage gain from the open to the high of the day was +0.9% on 23-Apr-2025, while the biggest drop from the open to the low was -6.3% on 8-Apr-2025. On average, the SPY stock price gain from the opening price to the highest point of the day was +0.4%, and the average drop to the lowest point was -1.4%.

Day Drift Open-to-Close

The best performance in SPY stock price from opening price to closing price (referred to as the "drift" for the day) was on 14-Nov-2023 for a +0.6% gain after the stock gapped up +1.4% at the open. The worst worst return from the opening price to the closing price was on 8-Apr-2025 when the stock lost -4.9% after the stock gapped up +3.5%. Overall in the 12 available observations, the stock drifted lower 67% of the time for an average loss of -0.8%.
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