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COST · Costco Wholesale Corporation

RSI(2) signal · fired 2026-05-27 23:00 (Berlin) · RSI(2) 7.8 · RSI14 — · close $1003.69 · EMA5 — · SMA200 955.17 · SPY40 — · sector ? · 20d avg vol 1,977,713
setup caution options avoid max gain +0.8% @ day 1 drawdown -6.7% @ day 3 ret so far -3.5% (day 9, 2026-06-09) classic exit -3.9% · close crossed 5-day SMA → sold at that close · day 6

Daily bars (9 held / 10)

Day 0 is the signal bar. High/close performance columns are measured vs the signal close; classic exit return is measured vs the next session's open.

daydateopenhighlowcloseSMA5classicvolumehigh vs signalclose vs signal
-5 2026-05-19 1077.95 1096.46 1072.90 1095.06 102,752 +9.2% +9.1%
-4 2026-05-20 1087.73 1089.17 1072.11 1073.97 96,795 +8.5% +7.0%
-3 2026-05-21 1061.50 1062.59 1039.78 1050.11 64,170 +5.9% +4.6%
-2 2026-05-22 1039.99 1044.22 1025.56 1027.85 74,787 +4.0% +2.4%
-1 2026-05-26 1026.13 1026.13 996.34 1002.64 1049.93 117,428 +2.2% -0.1%
0 2026-05-27 1003.56 1013.51 999.69 1003.69 1031.65 1,404,954 +1.0% +0.0%
1 2026-05-28 1011.61 1012.00 994.27 995.20 1015.90 2,789,503 +0.8% -0.8%
2 2026-05-29 985.48 998.66 945.45 956.32 997.14 6,143,767 -0.5% -4.7%
3 2026-06-01 954.99 959.21 936.51 946.11 980.79 2,809,569 -4.4% -5.7%
4 2026-06-02 942.20 955.39 939.55 954.27 971.12 2,174,404 -4.8% -4.9%
5 2026-06-03 954.07 969.18 951.99 961.83 962.75 1,944,764 -3.4% -4.2%
6 2026-06-04 984.62 990.01 968.21 972.35 958.18 exit 2,201,925 -1.4% -3.1%
7 2026-06-05 977.42 997.41 971.60 971.87 961.29 3,072,747 -0.6% -3.2%
8 2026-06-08 961.25 978.98 961.00 974.75 967.01 1,734,487 -2.5% -2.9%
9 2026-06-09 974.50 981.97 964.94 968.59 969.88 1,846,383 -2.2% -3.5%