🟢 Live $771.14 +0.19% vs prev close · as of Oct 28 1:48 PM ET (17 min ago) · today's candle is included in the chart below (US quotes are delayed up to ~15 min)
Last 60 trading days. "Overnight" = today's Open vs the PRIOR day's Close
(the same move plotted as the pink dotted line on the chart) — each day's own Open→Close
move is not counted here. Overnight $/% is what you'd have earned holding only from close
to next open; Cum. Index is the running compounded value shown on the chart's pink line.
Date
Prior Close
Overnight $
Overnight %
Cum. Index
Open
High
Low
Close
2026-10-28
$769.66
+1.77
+0.23%
$795.01
$771.43
$772.69
$769.25
$771.14
2026-10-27
$765.37
+1.97
+0.26%
$793.18
$767.34
$771.14
$765.21
$769.66
2026-10-26
$759.97
+2.28
+0.30%
$791.15
$762.25
$767.73
$761.63
$765.37
2026-10-23
$763.96
-4.06
-0.53%
$788.78
$759.90
$763.47
$758.68
$759.97
2026-10-22
$773.09
-6.72
-0.87%
$793.00
$766.37
$767.71
$761.16
$763.96
2026-10-21
$769.05
+2.12
+0.28%
$799.95
$771.17
$774.44
$768.40
$773.09
2026-10-20
$766.48
-0.62
-0.08%
$797.75
$765.86
$772.29
$764.25
$769.05
2026-10-19
$763.25
+3.98
+0.52%
$798.40
$767.23
$770.46
$765.82
$766.48
2026-10-16
$771.79
+1.45
+0.19%
$794.26
$773.24
$773.25
$760.64
$763.25
2026-10-15
$769.60
-3.35
-0.44%
$792.77
$766.25
$772.87
$764.43
$771.79
2026-10-14
$778.01
-3.09
-0.40%
$796.23
$774.92
$776.35
$766.71
$769.60
2026-10-13
$778.10
-0.76
-0.10%
$799.41
$777.34
$778.75
$775.95
$778.01
2026-10-12
$778.57
+0.21
+0.03%
$800.19
$778.78
$779.40
$777.05
$778.10
2026-10-09
$773.93
+2.31
+0.30%
$799.98
$776.24
$779.42
$775.14
$778.57
2026-10-08
$777.22
-2.36
-0.30%
$797.59
$774.86
$777.09
$770.43
$773.93
2026-10-07
$779.09
-3.32
-0.43%
$800.02
$775.77
$779.10
$773.61
$777.22
2026-10-06
$774.83
+3.32
+0.43%
$803.45
$778.15
$781.62
$777.96
$779.09
2026-10-05
$769.64
+0.05
+0.01%
$800.02
$769.69
$776.61
$769.63
$774.83
2026-10-02
$763.99
+6.59
+0.86%
$799.97
$770.58
$772.65
$767.14
$769.64
2026-10-01
$762.63
+1.73
+0.23%
$793.13
$764.36
$765.65
$758.79
$763.99
2026-09-30
$764.20
+2.25
+0.29%
$791.33
$766.45
$769.41
$762.18
$762.63
2026-09-29
$765.61
+1.22
+0.16%
$789.01
$766.83
$766.98
$762.35
$764.20
2026-09-28
$771.35
-3.00
-0.39%
$787.75
$768.35
$769.54
$763.72
$765.61
2026-09-25
$767.18
+1.60
+0.21%
$790.83
$768.78
$772.28
$766.29
$771.35
2026-09-24
$767.81
-3.74
-0.49%
$789.18
$764.07
$768.95
$763.25
$767.18
2026-09-23
$773.38
-0.59
-0.08%
$793.05
$772.79
$773.05
$766.50
$767.81
2026-09-22
$773.50
+0.53
+0.07%
$793.66
$774.03
$775.14
$772.57
$773.38
2026-09-21
$761.69
+4.56
+0.60%
$793.11
$766.25
$774.89
$766.03
$773.50
2026-09-18
$762.60
-1.29
-0.17%
$788.39
$761.31
$762.00
$757.97
$761.69
2026-09-17
$754.05
+9.10
+1.21%
$789.73
$763.15
$763.57
$759.96
$762.60
2026-09-16
$757.39
+2.11
+0.28%
$780.31
$759.50
$761.65
$749.60
$754.05
2026-09-15
$760.88
-0.76
-0.10%
$778.14
$760.12
$760.34
$756.15
$757.39
2026-09-14
$764.29
-5.29
-0.69%
$778.92
$759.00
$763.52
$757.93
$760.88
2026-09-11
$757.83
+6.89
+0.91%
$784.35
$764.72
$766.37
$763.60
$764.29
2026-09-10
$762.40
-4.37
-0.57%
$777.29
$758.03
$760.09
$756.64
$757.83
2026-09-09
$765.96
-1.88
-0.25%
$781.77
$764.08
$764.47
$760.94
$762.40
2026-09-08
$770.19
-1.12
-0.15%
$783.69
$769.07
$769.70
$765.15
$765.96
2026-09-04
$773.17
-1.16
-0.15%
$784.83
$772.01
$772.87
$769.00
$770.19
2026-09-03
$765.16
+2.74
+0.36%
$786.01
$767.90
$774.03
$767.45
$773.17
2026-09-02
$761.78
+0.67
+0.09%
$783.21
$762.45
$766.43
$761.73
$765.16
2026-09-01
$767.05
-5.04
-0.66%
$782.52
$762.01
$764.67
$759.48
$761.78
2026-08-31
$769.35
-2.02
-0.26%
$787.69
$767.33
$768.00
$764.72
$767.05
2026-08-28
$771.10
+0.66
+0.09%
$789.77
$771.76
$775.29
$768.31
$769.35
2026-08-27
$766.08
+2.42
+0.32%
$789.09
$768.50
$772.36
$767.16
$771.10
2026-08-26
$765.91
-1.18
-0.15%
$786.61
$764.73
$767.35
$763.93
$766.08
2026-08-25
$763.47
+2.69
+0.35%
$787.82
$766.16
$766.78
$763.05
$765.91
2026-08-24
$765.72
-0.94
-0.12%
$785.06
$764.78
$765.22
$762.08
$763.47
2026-08-21
$762.60
+3.45
+0.45%
$786.02
$766.05
$767.85
$764.17
$765.72
2026-08-20
$769.06
-3.10
-0.40%
$782.48
$765.96
$768.15
$762.05
$762.60
2026-08-19
$767.45
+2.91
+0.38%
$785.65
$770.36
$772.47
$768.11
$769.06
2026-08-18
$772.67
-3.97
-0.51%
$782.68
$768.70
$769.50
$766.92
$767.45
2026-08-17
$776.34
-0.16
-0.02%
$786.72
$776.18
$776.77
$772.51
$772.67
2026-08-14
$777.88
+0.66
+0.08%
$786.88
$778.54
$778.80
$775.43
$776.34
2026-08-13
$772.49
+2.38
+0.31%
$786.22
$774.87
$779.37
$774.11
$777.88
2026-08-12
$770.56
+4.15
+0.54%
$783.80
$774.71
$774.87
$771.29
$772.49
2026-08-11
$773.03
+1.50
+0.19%
$779.60
$774.53
$774.61
$769.34
$770.56
2026-08-10
$773.26
-0.66
-0.09%
$778.09
$772.60
$775.03
$771.89
$773.03
2026-08-07
$768.56
+2.46
+0.32%
$778.76
$771.02
$773.91
$769.61
$773.26
2026-08-06
$769.79
+0.42
+0.05%
$776.27
$770.21
$771.82
$767.46
$768.56
2026-08-05
$771.33
+4.52
+0.59%
$775.85
$775.85
$776.85
$769.52
$769.79
📈 Overnight % Gain Trend
Cumulative overnight-only return, indexed to 0% on 2026-08-04
(same window as the chart overlay and table above, just plotted as % instead of $).
🗓️ Overnight End-of-Month PnL
One checkpoint per calendar month (value at the last trading day seen that month) from the
same overnight-only cumulative series above. The first and last
month shown may be partial if the data window doesn't start/end on a month boundary.
Month
Start Value
End Value
PnL $
PnL %
2026-08
$771.33
$787.69
+16.36
+2.12%
2026-09
$787.69
$791.33
+3.64
+0.46%
2026-10
$791.33
$795.01
+3.68
+0.46%
📅 Seasonality — Adjusted Close by Year
Each line is one calendar year's adjusted close price (split- and dividend-adjusted, so a stock split does not show as a
crash), or the % change from that year's first trading day in "% from Jan 1" mode, aligned by month/day so the same point in the calendar lines
up across years. Most recent year is drawn thicker. Click a year in the legend to hide/show it.
🌙 Overnight vs. Intraday Return
Overnight (close→next open) Intraday (open→close)
From 2016-01-04 to 2026-08-21 (2,666 trading days), $1 invested
overnight-only would now be worth $2.68;
$1 invested intraday-only would be worth $1.68.
SPY's historical return has leaned mostly on the overnight session.
This reflects a statistical pattern in past prices, not a trading strategy or investment advice —
it ignores transaction costs and slippage.
🎯 Best Strategy Backtest
See which saved strategy has the best real backtested win-rate on SPY, with buy/sell triggers plotted right on the chart.
Watch an animated paper-trading replay of buying each lower-Bollinger-band touch and selling at the upper band on this stock, with your own capital and look-back, and the profit and loss building up as it plays.