Costco Wholesale Corporation company logo
Costco Wholesale Corporation logo

Costco Wholesale Corporation (COST) stock Relative Strength Index

14-Day RSI

42.5010.30-19.51%

Summary

Current Value
As of today, COST 14-day RSI is 42.50, down -19.51% 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 RSI42.50-19.5%-2.5%-25.5%+6.8%-14.2%+4.7%-45.2%
Price$946.42+1.4%+1.9%-9.9%+9.8%-2.4%+74.2%+106.2%
200-Day SMA$959.19+0.0%+0.2%+0.2%+0.9%-1.5%+89.4%+154.3%
50-Day SMA$948.93-0.1%-2.6%-5.8%+5.4%-2.3%+74.5%+128.3%
20-Day SMA$952.46+0.0%+1.5%-7.1%+9.0%-1.2%+70.9%+116.7%
Beta-0.13+7.1%-8.3%-316.7%-128.3%-123.6%-114.9%-121.0%
ATR$18.60+5.5%-7.3%-14.8%+40.4%+19.2%+142.3%+205.7%
10-Day Volatility16.98%+45.5%-42.1%-35.5%+32.8%-4.8%+40.8%+27.0%
1-Month Volatility16.76%+16.5%-32.0%-21.7%-6.7%-2.6%+34.9%+28.8%
3-Month Volatility21.44%+0.1%-6.8%+12.1%+20.6%+19.7%+37.6%+58.1%
1-Year Volatility19.73%-0.1%-0.1%+5.0%-8.7%-8.9%-15.5%+10.0%

RSI Highs

COST 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M60.28-29.5%
3M60.28-29.5%
6M74.95-43.3%
1Y78.35-45.8%
3Y85.08-50.0%
5Y85.08-50.0%
All85.92-50.5%

RSI Lows

COST 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M42.50at low
3M32.41+31.1%
6M32.41+31.1%
1Y29.65+43.3%
3Y25.52+66.5%
5Y19.41+119.0%
All0.00N/A

RSI History

DateValueChange
42.50+6.8%
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 42.50
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