On 2026-08-04, Costco (COST) closed at 947.85 USD, down 0.65% on the day. Its RSI(14) of 49.67 is in the 40th percentile of its history since 1986. It trades at 41.1% of its 52-week range. Its 20-day return of +0.04% is in the 42nd percentile. Its 20/50/200-day moving averages are 939.36 / 955.38 / 957.88 USD, with price +0.90% / -0.79% / -1.05% against them. Its 52-week range is 844.06–1096.5 USD; it closed 13.56% below the high and 12.30% above the low. Its 20-day volatility is 1.505% daily, in the 49th percentile of its history since 1986. Its 14-day average true range (ATR) is 19.7 USD, 2.08% of price. It has returned -1.94% over 5 days and -6.34% over 60 days. Against the S&P 500, its weekly-return beta -0.04 / correlation -0.02 (52-week); beta -0.21 / correlation -0.16 (26-week). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.15 (52-week); -0.02 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-08-04, prior 2026-08-03)
close 947.85
change -6.23 (-0.653%)
range (as of 2026-08-04)
range 13.85
close pos 78.3% of range
moving averages (as of 2026-08-04)
20d MA 939.36 price above by +0.90%
50d MA 955.38 price below by -0.79%
200d MA 957.88 price below by -1.05%
price mixed vs MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-04)
20d stdev 1.505% daily ≈ 23.9% annualized (×√252) (49th pct of own history, since 1986 (10075 obs))
vs easing-2024 avg 1.17× (1.505% vs 1.291% era avg)
ATR (as of 2026-08-04)
ATR(14) 19.70
ATR% 2.08% (43rd pct of own history, since 1986 (10081 obs))
range/ATR 70.3%
relative volume (as of 2026-08-04)
RVOL 1.11x (today vs 20-day average volume)
pctile 70th pct of own history, since 1986 (10075 obs)
52-week range (as of 2026-08-04)
high 1096.50 (-13.56% from high)
low 844.06 (+12.30% from low)
momentum (as of 2026-08-04)
RSI(14) 49.67 (40th pct of own history, since 1986 (10081 obs))
returns (as of 2026-08-04)
5d return -1.94%
20d return +0.04%
60d return -6.34%
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 1.2914%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-03)
vs real yield (Δ) -0.02 (26w)
vs real yield (Δ) -0.15 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-04)
vs S&P 500 beta -0.21 corr -0.16 (26w)
vs S&P 500 beta -0.04 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (51 days)