On 2026-08-06, Costco (COST) closed at 949.15 USD, up 0.76% on the day. Its 20-day return of +3.96% is in the 67th percentile. It trades at 41.6% of its 52-week range. Its RSI(14) of 50.40 is in the 42nd percentile of its history since 1986. Its 20/50/200-day moving averages are 940.61 / 952.58 / 958.03 USD, with price +0.91% / -0.36% / -0.93% against them. Its 52-week range is 844.06–1096.5 USD; it closed 13.44% below the high and 12.45% above the low. Its 20-day volatility is 1.148% daily, in the 30th percentile of its history since 1986. Its 14-day average true range (ATR) is 20.17 USD, 2.13% of price. It has returned -0.53% over 5 days and -5.03% over 60 days. Against the S&P 500, its weekly-return beta -0.03 / 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 -0.14 (52-week); -0.00 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-08-06, prior 2026-08-05)
close 949.15
change +7.16 (+0.760%)
range (as of 2026-08-06)
range 24.36
close pos 30.3% of range
moving averages (as of 2026-08-06)
20d MA 940.61 price above by +0.91%
50d MA 952.58 price below by -0.36%
200d MA 958.03 price below by -0.93%
price mixed vs MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-06)
20d stdev 1.148% daily ≈ 18.2% annualized (×√252) (30th pct of own history, since 1986 (10077 obs))
vs easing-2024 avg 0.89× (1.148% vs 1.290% era avg)
ATR (as of 2026-08-06)
ATR(14) 20.17
ATR% 2.13% (44th pct of own history, since 1986 (10083 obs))
range/ATR 120.8%
relative volume (as of 2026-08-06)
RVOL 0.75x (today vs 20-day average volume)
pctile 31st pct of own history, since 1986 (10077 obs)
52-week range (as of 2026-08-06)
high 1096.50 (-13.44% from high)
low 844.06 (+12.45% from low)
momentum (as of 2026-08-06)
RSI(14) 50.40 (42nd pct of own history, since 1986 (10083 obs))
returns (as of 2026-08-06)
5d return -0.53%
20d return +3.96%
60d return -5.03%
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 1.2899%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-05)
vs real yield (Δ) -0.00 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-06)
vs S&P 500 beta -0.21 corr -0.16 (26w)
vs S&P 500 beta -0.03 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (49 days)