Costco Wholesale Corporation company logo
Costco Wholesale Corporation logo

Costco Wholesale Corporation (COST) stock Relative Strength Index

14-Day RSI

34.152.23-6.13%

Summary

Current Value
As of today, COST 14-day RSI is 34.15, down -6.13% on
Current Value Category
Based on its current 14-day relative strength index, COST falls into the weakening momentum category
1-Year High
COST 14-day RSI reached a 1-year high of 78.35 on
1-Year Low
COST 14-day RSI reached a 1-year low of 29.65 on

RSI Chart

SUGGESTED SERIES

Performance

COST Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI34.15-6.1%-34.3%-25.8%-14.2%-28.5%-37.9%-51.7%
Price$902.60-0.8%-5.3%-8.2%+4.7%-5.6%+63.8%+94.0%
200-Day SMA$960.40+0.0%+0.2%+0.3%+1.0%-1.6%+88.7%+150.9%
50-Day SMA$941.84-0.1%-0.9%-6.3%+4.7%-2.1%+71.7%+116.5%
20-Day SMA$942.98-0.2%-0.1%-6.3%+7.9%-2.0%+72.6%+106.8%
Beta-0.14+6.7%+6.7%-366.7%-130.4%-125.9%-116.5%-124.6%
ATR$16.32-2.1%-14.5%-27.7%+23.2%+9.8%+120.4%+192.2%
10-Day Volatility13.74%-1.9%-13.6%-44.8%+7.4%-18.6%+37.7%+34.8%
1-Month Volatility19.23%-0.3%+7.7%-27.7%+7.1%+9.0%+41.9%+53.0%
3-Month Volatility20.29%-0.4%-11.3%-1.0%+14.2%+27.1%+55.6%+63.5%
1-Year Volatility19.87%-0.5%+0.8%+5.4%-8.0%-7.5%-13.3%+15.3%

RSI Highs

COST 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M57.57-40.7%
3M60.28-43.4%
6M74.95-54.4%
1Y78.35-56.4%
3Y85.08-59.9%
5Y85.08-59.9%
All85.92-60.3%

RSI Lows

COST 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M34.15at low
3M33.41+2.2%
6M32.41+5.4%
1Y29.65+15.2%
3Y25.52+33.8%
5Y19.41+75.9%
All0.00N/A

RSI History

DateValueChange
34.15-14.2%
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 34.15
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 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