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Costco Wholesale Corporation (COST) stock Relative Strength Index

14-Day RSI

48.584.13-7.84%

Summary

As of today, COST 14-day RSI is 48.58, down -7.84% on
Based on its current 14-day relative strength index, COST falls into the weakening 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 27.55 on

RSI Chart

SUGGESTED SERIES

Performance

COST Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI48.58-7.8%-3.2%-23.8%+22.1%-23.5%-14.0%-7.8%
Price$1,018.39+1.9%+2.0%+2.0%+18.1%+0.2%+102.0%+173.6%
200-Day SMA$952.43+0.0%+0.3%+0.1%+0.2%+1.8%+91.0%+166.1%
50-Day SMA$998.54-0.0%+0.6%+8.4%+10.9%+3.7%+102.6%+181.8%
Beta0.110.0%-47.6%-76.1%-76.1%-81.7%-88.2%-78.8%
ATR$18.75+2.0%-2.4%-9.4%+41.5%-21.6%+145.7%+225.7%
10-Day Volatility17.46%-3.6%-23.7%-32.9%+36.5%+94.9%+14.1%-22.6%
1-Month Volatility16.17%-15.3%-10.3%-19.9%-10.0%-22.6%-7.7%-6.0%
3-Month Volatility17.64%-4.6%-7.7%-14.4%-0.7%-41.9%-0.5%-9.8%
1-Year Volatility18.46%+0.3%-2.1%-16.4%-14.5%-15.5%-37.7%+1.3%

RSI Highs

COST 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M57.69-15.8%
3M68.13-28.7%
6M78.35-38.0%
1Y78.35-38.0%
3Y85.08-42.9%
5Y85.08-42.9%
All85.92-43.5%

RSI Lows

COST 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M41.92+15.9%
3M40.78+19.1%
6M29.65+63.8%
1Y27.55+76.3%
3Y25.52+90.4%
5Y19.41+150.3%
All0.00N/A

RSI History

DateValueChange
48.58+22.1%
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 48.58

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

    Based on its current 14-day relative strength index, COST falls into the weakening 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 27.55 on July 30, 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