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Costco Wholesale Corporation (COST) stock Relative Strength Index

14-Day RSI

51.380.85-1.63%

Summary

As of today, COST 14-day RSI is 51.38, down -1.63% 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 29.65 on

RSI Chart

SUGGESTED SERIES

Performance

COST Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI51.38-1.6%+42.0%-9.8%+29.2%+36.4%-23.9%-33.4%
Price$951.89-0.2%+1.8%-6.2%+10.4%+1.3%+69.8%+121.5%
200-Day SMA$957.88+0.0%+0.0%+0.8%+0.7%-1.0%+91.2%+157.6%
50-Day SMA$959.83-0.3%-3.5%-3.7%+6.7%-2.7%+81.6%+141.7%
20-Day SMA$939.150.0%-2.5%-6.4%+7.5%-1.8%+71.0%+126.8%
Beta-0.140.0%-100.0%-200.0%-130.4%-124.1%-116.3%-122.6%
ATR$19.95-0.7%-0.2%+10.6%+50.6%+43.7%+193.1%+290.6%
10-Day Volatility18.39%-1.0%-2.1%+27.5%+43.8%+89.0%+130.7%+90.2%
1-Month Volatility25.28%-1.4%+51.4%+33.6%+40.8%+118.7%+84.7%+128.4%
3-Month Volatility23.53%0.0%+10.5%+23.0%+32.4%+39.6%+51.7%+53.4%
1-Year Volatility19.95%-0.3%+5.4%+9.2%-7.6%-8.8%-14.8%+9.9%

RSI Highs

COST 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M60.28-14.8%
3M74.95-31.4%
6M74.95-31.4%
1Y78.35-34.4%
3Y85.08-39.6%
5Y85.08-39.6%
All85.92-40.2%

RSI Lows

COST 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M33.41+53.8%
3M32.41+58.5%
6M32.41+58.5%
1Y29.65+73.3%
3Y25.52+101.3%
5Y19.41+164.7%
All0.00N/A

RSI History

DateValueChange
51.38+29.2%
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 51.38
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 29.65 on November 7, 2025

Data Sources & References

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