On 2026-08-12, Costco (COST) closed at 949.58 USD, up 0.56% on the day. Its 20-day return of +3.60% is in the 64th percentile. It trades at 41.8% of its 52-week range. Its RSI(14) of 50.61 is in the 43rd percentile of its history since 1986. Its 20/50/200-day moving averages are 946.28 / 950.44 / 958.2 USD, with price +0.35% / -0.09% / -0.90% against them. Its 52-week range is 844.06–1096.5 USD; it closed 13.40% below the high and 12.50% above the low. Its 20-day volatility is 1.139% daily, in the 29th percentile of its history since 1986. Its 14-day average true range (ATR) is 18.74 USD, 1.97% of price. It has returned +0.81% over 5 days and -9.47% over 60 days. Against the S&P 500, its weekly-return beta -0.03 / correlation -0.02 (52-week); beta -0.18 / correlation -0.14 (26-week). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.14 (52-week); +0.04 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-08-12, prior 2026-08-11)
close 949.58
change +5.26 (+0.557%)
range (as of 2026-08-12)
range 16.34
close pos 88.9% of range
moving averages (as of 2026-08-12)
20d MA 946.28 price above by +0.35%
50d MA 950.44 price below by -0.09%
200d MA 958.20 price below by -0.90%
price mixed vs MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-12)
20d stdev 1.139% daily ≈ 18.1% annualized (×√252) (29th pct of own history, since 1986 (10081 obs))
vs easing-2024 avg 0.88× (1.139% vs 1.287% era avg)
ATR (as of 2026-08-12)
ATR(14) 18.74
ATR% 1.97% (39th pct of own history, since 1986 (10087 obs))
range/ATR 87.2%
relative volume (as of 2026-08-12)
RVOL 0.65x (today vs 20-day average volume)
pctile 20th pct of own history, since 1986 (10081 obs)
52-week range (as of 2026-08-12)
high 1096.50 (-13.40% from high)
low 844.06 (+12.50% from low)
momentum (as of 2026-08-12)
RSI(14) 50.61 (43rd pct of own history, since 1986 (10087 obs))
returns (as of 2026-08-12)
5d return +0.81%
20d return +3.60%
60d return -9.47%
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 1.2868%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-11)
vs real yield (Δ) +0.04 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-12)
vs S&P 500 beta -0.18 corr -0.14 (26w)
vs S&P 500 beta -0.03 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (43 days)