Last 59 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
2026-10-27
₩65,475.00
+4490.00
+6.86%
₩79,407.21
₩69,965.00
₩72,745.00
₩69,465.00
₩69,955.00
2026-10-26
₩67,415.00
-1340.00
-1.99%
₩74,311.26
₩66,075.00
₩67,985.00
₩65,115.00
₩65,475.00
2026-10-23
₩66,770.00
-2765.00
-4.14%
₩75,818.29
₩64,005.00
₩67,415.00
₩61,145.00
₩67,415.00
2026-10-22
₩71,740.00
-1460.00
-2.04%
₩79,093.62
₩70,280.00
₩72,300.00
₩65,385.00
₩66,770.00
2026-10-21
₩67,170.00
+2770.00
+4.12%
₩80,736.71
₩69,940.00
₩74,365.00
₩69,220.00
₩71,740.00
2026-10-20
₩72,255.00
-990.00
-1.37%
₩77,539.11
₩71,265.00
₩71,300.00
₩65,335.00
₩67,170.00
2026-10-19
₩70,415.00
-4495.00
-6.38%
₩78,616.27
₩65,920.00
₩72,255.00
₩65,750.00
₩72,255.00
2026-10-16
₩67,785.00
+2620.00
+3.87%
₩83,977.01
₩70,405.00
₩73,980.00
₩68,460.00
₩70,415.00
2026-10-15
₩81,100.00
-8595.00
-10.60%
₩80,851.95
₩72,505.00
₩73,800.00
₩65,200.00
₩67,785.00
2026-10-14
₩81,965.00
+435.00
+0.53%
₩90,436.43
₩82,400.00
₩86,295.00
₩79,070.00
₩81,100.00
2026-10-13
₩93,620.00
-5620.00
-6.00%
₩89,959.00
₩88,000.00
₩88,340.00
₩78,780.00
₩81,965.00
2026-10-12
₩101,400.00
-2320.00
-2.29%
₩95,704.11
₩99,080.00
₩100,130.00
₩92,965.00
₩93,620.00
2026-10-08
₩107,230.00
-245.00
-0.23%
₩97,945.06
₩106,985.00
₩107,475.00
₩101,400.00
₩101,400.00
2026-10-07
₩111,805.00
-2330.00
-2.08%
₩98,169.36
₩109,475.00
₩113,430.00
₩107,175.00
₩107,230.00
2026-10-06
₩114,395.00
+1270.00
+1.11%
₩100,258.74
₩115,665.00
₩115,665.00
₩110,265.00
₩111,805.00
2026-10-02
₩113,255.00
-1135.00
-1.00%
₩99,157.90
₩112,120.00
₩114,865.00
₩111,450.00
₩114,395.00
2026-10-01
₩109,470.00
-1550.00
-1.42%
₩100,161.68
₩107,920.00
₩113,280.00
₩106,015.00
₩113,255.00
2026-09-30
₩110,285.00
+1415.00
+1.28%
₩101,600.25
₩111,700.00
₩113,385.00
₩108,110.00
₩109,470.00
2026-09-29
₩109,370.00
-205.00
-0.19%
₩100,313.19
₩109,165.00
₩111,275.00
₩107,265.00
₩110,285.00
2026-09-28
₩116,975.00
-1145.00
-0.98%
₩100,501.57
₩115,830.00
₩116,375.00
₩109,370.00
₩109,370.00
2026-09-23
₩114,400.00
+4740.00
+4.14%
₩101,495.05
₩119,140.00
₩119,300.00
₩114,555.00
₩116,975.00
2026-09-22
₩114,060.00
+5140.00
+4.51%
₩97,457.05
₩119,200.00
₩120,080.00
₩113,410.00
₩114,400.00
2026-09-21
₩109,265.00
+1655.00
+1.51%
₩93,254.63
₩110,920.00
₩114,925.00
₩110,635.00
₩114,060.00
2026-09-18
₩103,490.00
+4860.00
+4.70%
₩91,863.21
₩108,350.00
₩110,435.00
₩107,310.00
₩109,265.00
2026-09-17
₩103,580.00
+2205.00
+2.13%
₩87,742.72
₩105,785.00
₩106,520.00
₩102,825.00
₩103,490.00
2026-09-16
₩99,690.00
+0.00
+0.00%
₩85,913.79
₩99,690.00
₩103,615.00
₩99,115.00
₩103,580.00
2026-09-15
₩102,095.00
-1105.00
-1.08%
₩85,913.79
₩100,990.00
₩103,230.00
₩98,695.00
₩99,690.00
2026-09-14
₩109,995.00
-7495.00
-6.81%
₩86,853.83
₩102,500.00
₩105,215.00
₩100,885.00
₩102,095.00
2026-09-11
₩115,000.00
-8615.00
-7.49%
₩93,204.76
₩106,385.00
₩111,545.00
₩106,200.00
₩109,995.00
2026-09-10
₩115,580.00
-810.00
-0.70%
₩100,752.43
₩114,770.00
₩116,050.00
₩109,815.00
₩115,000.00
2026-09-09
₩112,150.00
+530.00
+0.47%
₩101,463.50
₩112,680.00
₩117,925.00
₩112,430.00
₩115,580.00
2026-09-08
₩113,045.00
+2205.00
+1.95%
₩100,986.25
₩115,250.00
₩120,015.00
₩112,065.00
₩112,150.00
2026-09-07
₩103,055.00
+7070.00
+6.86%
₩99,054.15
₩110,125.00
₩113,100.00
₩109,070.00
₩113,045.00
2026-09-04
₩99,100.00
+2210.00
+2.23%
₩92,694.90
₩101,310.00
₩105,090.00
₩101,120.00
₩103,055.00
2026-09-03
₩98,900.00
+2640.00
+2.67%
₩90,672.83
₩101,540.00
₩102,735.00
₩94,590.00
₩99,100.00
2026-09-02
₩107,725.00
-6730.00
-6.25%
₩88,315.37
₩100,995.00
₩103,200.00
₩98,885.00
₩98,900.00
2026-09-01
₩107,080.00
-2030.00
-1.90%
₩94,200.44
₩105,050.00
₩108,675.00
₩104,090.00
₩107,725.00
2026-08-31
₩106,370.00
-5760.00
-5.42%
₩96,020.78
₩100,610.00
₩107,080.00
₩98,015.00
₩107,080.00
2026-08-28
₩110,390.00
-2380.00
-2.16%
₩101,518.05
₩108,010.00
₩110,490.00
₩106,010.00
₩106,370.00
2026-08-27
₩107,495.00
+6170.00
+5.74%
₩103,755.00
₩113,665.00
₩113,900.00
₩108,380.00
₩110,390.00
2026-08-26
₩105,550.00
-545.00
-0.52%
₩98,122.93
₩105,005.00
₩110,190.00
₩103,700.00
₩107,495.00
2026-08-25
₩104,015.00
-5735.00
-5.51%
₩98,632.21
₩98,280.00
₩105,550.00
₩94,430.00
₩105,550.00
2026-08-24
₩112,240.00
-1040.00
-0.93%
₩104,387.77
₩111,200.00
₩111,290.00
₩102,645.00
₩104,015.00
2026-08-21
₩108,710.00
-2870.00
-2.64%
₩105,364.06
₩105,840.00
₩113,955.00
₩105,115.00
₩112,240.00
2026-08-20
₩96,740.00
+5910.00
+6.11%
₩108,221.15
₩102,650.00
₩110,895.00
₩100,130.00
₩108,710.00
2026-08-19
₩110,465.00
-12465.00
-11.28%
₩101,990.39
₩98,000.00
₩101,205.00
₩94,350.00
₩96,740.00
2026-08-18
₩113,525.00
+5975.00
+5.26%
₩114,962.95
₩119,500.00
₩123,110.00
₩107,875.00
₩110,465.00
2026-08-14
₩107,975.00
+6015.00
+5.57%
₩109,214.80
₩113,990.00
₩115,020.00
₩109,740.00
₩113,525.00
2026-08-13
₩100,300.00
+7165.00
+7.14%
₩103,451.78
₩107,465.00
₩111,180.00
₩106,415.00
₩107,975.00
2026-08-12
₩92,580.00
+2420.00
+2.61%
₩96,554.35
₩95,000.00
₩103,500.00
₩94,530.00
₩100,300.00
2026-08-11
₩90,770.00
-1065.00
-1.17%
₩94,094.76
₩89,705.00
₩94,790.00
₩88,005.00
₩92,580.00
2026-08-10
₩90,690.00
+920.00
+1.01%
₩95,211.87
₩91,610.00
₩94,710.00
₩89,070.00
₩90,770.00
2026-08-07
₩92,200.00
+1720.00
+1.87%
₩94,255.70
₩93,920.00
₩95,830.00
₩87,660.00
₩90,690.00
2026-08-06
₩102,755.00
-3995.00
-3.89%
₩92,529.55
₩98,760.00
₩100,745.00
₩90,290.00
₩92,200.00
2026-08-05
₩95,335.00
+8665.00
+9.09%
₩96,272.52
₩104,000.00
₩105,420.00
₩101,005.00
₩102,755.00
2026-08-04
₩93,670.00
+2420.00
+2.58%
₩88,251.35
₩96,090.00
₩96,680.00
₩86,650.00
₩95,335.00
2026-08-03
₩110,945.00
-10940.00
-9.86%
₩86,028.77
₩100,005.00
₩101,120.00
₩92,200.00
₩93,670.00
2026-07-31
₩75,595.00
+15905.00
+21.04%
₩95,439.84
₩91,500.00
₩111,065.00
₩88,775.00
₩110,945.00
2026-07-30
₩79,020.00
-170.00
-0.22%
₩78,850.00
₩78,850.00
₩87,395.00
₩74,190.00
₩75,595.00
📈 Overnight % Gain Trend
Cumulative overnight-only return, indexed to 0% on 2026-07-29
(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 %
2026-07
₩79,020.00
₩95,439.84
+16419.84
+20.78%
2026-08
₩95,439.84
₩96,020.78
+580.94
+0.61%
2026-09
₩96,020.78
₩101,600.25
+5579.47
+5.81%
2026-10
₩101,600.25
₩79,407.21
-22193.04
-21.84%
📅 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 2010-02-22 to 2026-10-23 (4,090 trading days), $1 invested
overnight-only would now be worth $23.26;
$1 invested intraday-only would be worth $0.29.
122630'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 122630, 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.