Costco Wholesale Corporation company logo
Costco Wholesale Corporation logo

Costco Wholesale Corporation (COST) stock Relative Strength Index

14-Day RSI

73.380.63-0.85%

Summary

Current Value
As of today, COST 14-day RSI is 73.38, down -0.85% on
Current Value Category
Based on its current 14-day relative strength index, COST falls into the overbought 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 RSI73.38-0.8%+93.6%+68.4%+84.5%+46.5%+73.8%+6.1%
Price$994.61-0.1%+10.7%+7.0%+15.3%+6.1%+79.9%+108.4%
200-Day SMA$967.49+0.1%+0.8%+1.1%+1.8%-0.5%+85.8%+145.3%
50-Day SMA$935.58+0.1%-0.1%-4.0%+4.0%-1.4%+68.1%+105.5%
20-Day SMA$943.35+0.5%+2.3%+0.5%+8.0%+1.5%+67.0%+107.6%
Beta-0.180.0%-38.5%-50.0%-139.1%-134.6%-121.4%-129.0%
ATR$15.90-1.9%+11.5%-20.8%+20.1%+6.8%+69.9%+103.3%
10-Day Volatility16.03%+1.1%+9.1%-45.4%+25.3%-38.2%-2.5%+6.2%
1-Month Volatility16.87%+0.7%-4.9%-31.6%-6.1%-18.8%-4.0%-21.8%
3-Month Volatility17.62%+0.1%-11.4%-23.4%-0.8%-1.8%+19.2%+7.4%
1-Year Volatility19.70%+0.2%-0.9%-0.3%-8.8%-9.3%-5.8%+11.2%

RSI Highs

COST 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M74.01-0.8%
3M74.01-0.8%
6M74.95-2.1%
1Y78.35-6.3%
3Y85.08-13.8%
5Y85.08-13.8%
All85.92-14.6%

RSI Lows

COST 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M37.91+93.6%
3M34.09+115.3%
6M32.41+126.4%
1Y29.65+147.5%
3Y25.52+187.5%
5Y19.41+278.1%
All0.00N/A

RSI History

DateValueChange
73.38+84.5%
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 73.38
What 14-day RSI category does COST fall into?
Based on its current 14-day relative strength index, COST falls into the overbought 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. COST Profile on Yahoo Finance finance.yahoo.com/quote/COST
  3. COST Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cost