Costco (COST) was a standout performer in a declining market, with its stock price rising by 2% to $505.65.

Technical Analysis (Indicators)

Bullish Trend Analysis

The Moving Average Convergence Divergence (MACD) for COST just turned positive on September 25, 2026. Looking at past instances where COST's MACD turned positive, the stock continued to rise in 28 of 48 cases over the following month. The odds of a continued upward trend are 58%.

COST moved above its 50-day moving average on October 06, 2026 date and that indicates a change from a downward trend to an upward trend.

The 10-day moving average for COST crossed bullishly above the 50-day moving average on October 12, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In 11 of 19 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are 58%.

Following a +3.16% 3-day Advance, the price is estimated to grow further. Considering data from situations where COST advanced for three days, in 213 of 349 cases, the price rose further within the following month. The odds of a continued upward trend are 61%.

The Aroon Indicator entered an Uptrend today. In 168 of 331 cases where COST Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 51%.

Bearish Trend Analysis

The 10-day RSI Indicator for COST moved out of overbought territory on October 27, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 46 similar instances where the indicator moved out of overbought territory. In 21 of the 46 cases, the stock moved lower in the following days. This puts the odds of a move lower at 46%.

The Stochastic Oscillator may be shifting from an upward trend to a downward trend. In 29 of 62 cases where COST's Stochastic Oscillator exited the overbought zone, the price fell further within the following month. The odds of a continued downward trend are 47%.

Following a 3-day decline, the stock is projected to fall further. Considering past instances where COST declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 40%.

COST broke above its upper Bollinger Band on October 14, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.

Fundamental Analysis (Ratings)

The Tickeron Profit vs. Risk Rating rating for this company is 11 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 57, placing this stock better than average.

The Tickeron SMR rating for this company is 34 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.

The Tickeron Price Growth Rating for this company is 38 (best 1 - 100 worst), indicating fairly steady price growth. COST’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.

The Tickeron PE Growth Rating for this company is 44 (best 1 - 100 worst), pointing to consistent earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.

The Tickeron Valuation Rating of 100 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: COST's P/B Ratio (13.391) is slightly higher than the industry average of (5.731). COST has a moderately high P/E Ratio (50.843) as compared to the industry average of (24.243). COST's Projected Growth (PEG Ratio) (4.478) is slightly higher than the industry average of (2.171). Dividend Yield (0.006) settles around the average of (0.010) among similar stocks. P/S Ratio (1.353) is also within normal values, averaging (1.008).