On 2026-08-13, Costco (COST) closed at 961.85 USD, up 1.29% on the day. Its RSI(14) of 55.88 is in the 60th percentile of its history since 1986. It trades at 46.7% of its 52-week range. Its 20-day return of +1.72% is in the 53rd percentile. It is trading above its 20-, 50- and 200-day moving averages. Its 20/50/200-day moving averages are 947.1 / 950.59 / 958.35 USD, with price +1.56% / +1.18% / +0.37% against them. Its 52-week range is 844.06–1096.5 USD; it closed 12.28% below the high and 13.96% above the low. Its 20-day volatility is 0.940% daily, in the 16th percentile of its history since 1986. Its 14-day average true range (ATR) is 18.33 USD, 1.91% of price. It has returned +1.34% over 5 days and -10.65% over 60 days. Against the S&P 500, its weekly-return beta -0.03 / correlation -0.02 (52-week); beta -0.17 / 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 2026-08-13, prior 2026-08-12)
close 961.85
change +12.27 (+1.292%)
range (as of 2026-08-13)
range 13.07
close pos 94.4% of range
moving averages (as of 2026-08-13)
20d MA 947.10 price above by +1.56%
50d MA 950.59 price above by +1.18%
200d MA 958.35 price above by +0.37%
price > all MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-13)
20d stdev 0.940% daily ≈ 14.9% annualized (×√252) (16th pct of own history, since 1986 (10082 obs))
vs easing-2024 avg 0.73× (0.940% vs 1.287% era avg)
ATR (as of 2026-08-13)
ATR(14) 18.33
ATR% 1.91% (36th pct of own history, since 1986 (10088 obs))
range/ATR 71.3%
relative volume (as of 2026-08-13)
RVOL 0.68x (today vs 20-day average volume)
pctile 23rd pct of own history, since 1986 (10082 obs)
52-week range (as of 2026-08-13)
high 1096.50 (-12.28% from high)
low 844.06 (+13.96% from low)
momentum (as of 2026-08-13)
RSI(14) 55.88 (60th pct of own history, since 1986 (10088 obs))
MACD (as of 2026-08-13)
MACD(12,26,9) +1.13 signal -0.47 hist +1.60 (above signal)
returns (as of 2026-08-13)
5d return +1.34%
20d return +1.72%
60d return -10.65%
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 1.2867%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-12)
vs real yield (Δ) +0.04 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-13)
vs S&P 500 beta -0.17 corr -0.14 (26w)
vs S&P 500 beta -0.03 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (42 days)