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Costco Wholesale Corporation (COST) stock Relative Strength Index

14-Day RSI

55.483.78+7.31%

Summary

As of today, COST 14-day RSI is 55.48, up +7.31% on
Based on its current 14-day relative strength index, COST falls into the strengthening momentum category
COST 14-day RSI reached a 1-year high of 78.35 on
COST 14-day RSI reached a 1-year low of 25.52 on

RSI Chart

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Series
SUGGESTED SERIES

Performance

COST Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI55.48+7.3%-13.0%+37.7%+39.5%+83.1%+50.8%+27.3%
Price$1,003.26+1.1%+0.4%+13.4%+16.3%+8.2%+112.9%+203.0%
200-Day SMA$950.610.0%-0.1%-0.7%-0.0%+4.2%+91.5%+173.4%
50-Day SMA$967.37+0.3%+5.0%+5.6%+7.5%-2.0%+97.8%+175.2%
Beta0.42-2.3%-8.7%-10.6%-8.7%-43.2%-56.3%-25.0%
ATR$20.09+0.8%-2.9%+28.9%+51.7%-21.1%+95.3%+185.6%
10-Day Volatility22.08%+0.8%-15.1%+16.2%+72.6%-41.0%+7.5%-6.4%
1-Month Volatility19.65%-5.3%-2.7%+7.8%+9.4%-37.6%+4.6%-6.6%
3-Month Volatility20.88%+0.4%+1.4%+17.6%+17.5%-13.9%-15.8%+20.9%
1-Year Volatility20.82%+0.1%-5.7%-3.6%-3.6%+7.4%-34.1%-17.3%

RSI Highs

COST 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M68.13-18.6%
3M78.35-29.2%
6M78.35-29.2%
1Y78.35-29.2%
3Y85.08-34.8%
5Y85.08-34.8%
All85.92-35.4%

RSI Lows

COST 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M49.37+12.4%
3M29.65+87.1%
6M29.65+87.1%
1Y25.52+117.4%
3Y25.52+117.4%
5Y19.41+185.8%
All0.00N/A

RSI History

DateValueChange
55.48+39.5%
39.78+22.1%
32.57-48.5%
63.25+86.8%
33.86-46.1%
62.80+11.9%
56.12+22.0%
45.99+12.3%
40.97-28.7%
57.47-1.5%
58.35+14.4%
51.01-4.5%
53.42+20.4%
44.37-11.0%
49.88+7.5%
46.42-29.6%
65.95+39.9%
47.13-7.3%
50.86-8.1%
55.37+15.5%
47.92-7.0%
DateValueChange
51.50-2.6%
52.90-17.3%
63.94+60.6%
39.82-33.8%
60.18-6.4%
64.30+17.5%
54.74-14.6%
64.08+5.5%
60.74-9.0%
66.72+56.3%
42.68+16.2%
36.73-25.0%
48.97+15.2%
42.51-10.1%
47.28-18.4%
57.94+3.6%
55.90+41.5%
39.50-35.2%
60.95+49.8%
40.69-

FAQ

  • What is the current 14-day RSI of COST?

    As of today, COST 14-day RSI is 55.48

  • What 14-day RSI category does COST fall into?

    Based on its current 14-day relative strength index, COST falls into the strengthening momentum category

  • What is COST 14-day RSI 1-year high?

    COST 14-day RSI reached a 1-year high of 78.35 on January 21, 2026

  • What is COST 14-day RSI 1-year low?

    COST 14-day RSI reached a 1-year low of 25.52 on March 13, 2025

Data Sources & References

  1. COST Official Website www.costco.com
  2. Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/909832/000090983226000025/0000909832-26-000025-index.htm
  3. Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/909832/000090983225000101/0000909832-25-000101-index.htm
  4. COST Profile on Yahoo Finance finance.yahoo.com/quote/COST
  5. COST Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cost