On 2026-07-31, Costco (COST) closed at 951.89 USD, down 0.24% on the day. Its 20-day return of +0.02% is in the 42nd percentile. It trades at 42.7% of its 52-week range. Its RSI(14) of 51.38 is in the 45th percentile of its history since 1986. Its 20/50/200-day moving averages are 939.15 / 959.83 / 957.88 USD, with price +1.36% / -0.83% / -0.63% against them. Its 52-week range is 844.06–1096.5 USD; it closed 13.19% below the high and 12.78% above the low. Its 20-day volatility is 1.498% daily, in the 49th percentile of its history since 1986. Its 14-day average true range (ATR) is 19.95 USD, 2.10% of price. It has returned +1.80% over 5 days and -6.35% over 60 days. Against the S&P 500, its weekly-return beta +0.02 / correlation +0.01 (52-week); beta -0.25 / correlation -0.17 (26-week). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.17 (52-week); -0.08 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-07-31, prior 2026-07-30)
close 951.89
change -2.28 (-0.239%)
range (as of 2026-07-31)
range 18.05
close pos 79.7% of range
moving averages (as of 2026-07-31)
20d MA 939.15 price above by +1.36%
50d MA 959.83 price below by -0.83%
200d MA 957.88 price below by -0.63%
price mixed vs MAs
stack: 50d > 200d > 20d
volatility (as of 2026-07-31)
20d stdev 1.498% daily ≈ 23.8% annualized (×√252) (49th pct of own history, since 1986 (10073 obs))
vs easing-2024 avg 1.16× (1.498% vs 1.293% era avg)
ATR (as of 2026-07-31)
ATR(14) 19.95
ATR% 2.10% (43rd pct of own history, since 1986 (10079 obs))
range/ATR 90.5%
relative volume (as of 2026-07-31)
RVOL 0.78x (today vs 20-day average volume)
pctile 34th pct of own history, since 1986 (10073 obs)
52-week range (as of 2026-07-31)
high 1096.50 (-13.19% from high)
low 844.06 (+12.78% from low)
momentum (as of 2026-07-31)
RSI(14) 51.38 (45th pct of own history, since 1986 (10079 obs))
returns (as of 2026-07-31)
5d return +1.80%
20d return +0.02%
60d return -6.35%
volatility by rate-era
pre-crisis 2.3285% (from 1986-07-09)
ZIRP-2009 1.2279%
tightening-2015 1.2566%
ZIRP-2019 1.3913%
tightening-2022 1.6389%
easing-2024 1.2930%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-07-30)
vs real yield (Δ) -0.08 (26w)
vs real yield (Δ) -0.17 (52w)
S&P 500 market factor (weekly returns) (as of 2026-07-31)
vs S&P 500 beta -0.25 corr -0.17 (26w)
vs S&P 500 beta +0.02 corr +0.01 (52w)
earnings horizon
next earnings 2026-09-24 (55 days)