玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.68-30.29-28.810.29-23.687.4154.0443.0840.0314.5231.18-7.6715.3536.24.71353.2132.65-3.12
24Q2 (19)2.419.05-21.750.3831.0322.5837.77-8.2827.95239.77-24.38-18.8611.27-29.16-21.19266.27-22.23-14.3
24Q1 (18)2.21-14.34-49.770.29-6.45-19.4441.1816.9299.23317.089.3826.7815.9113.8910.87342.3610.0333.52
23Q4 (17)2.589.32-26.50.3114.8114.8135.22-8.7635.98289.89-14.9-12.8213.97-4.71-27.88311.14-14.66-8.23
23Q3 (16)2.36-23.38-12.270.27-12.917.3938.6030.7614.27340.6315.28-13.9514.662.52-38.79364.5717.33-10.13
23Q2 (15)3.08-30.016.670.31-13.8924.029.5242.82-14.24295.4918.15-19.8514.30-0.35-40.81310.7121.17-18.01
23Q1 (14)4.4025.3660.580.3633.3324.1420.67-20.19-37.87250.10-24.78-20.6714.35-25.92-39.35256.42-24.37-21.07
22Q4 (13)3.5130.48-7.870.2717.39-34.1525.90-23.338.5332.50-16.051.5519.37-19.1213.87339.03-16.4349.84
22Q3 (12)2.691.89-28.650.23-8.0-36.1133.78-1.8640.05395.837.3658.0223.95-0.8726.25405.677.0558.68
22Q2 (11)2.64-3.65-12.00.25-13.79-3.8534.423.4613.45368.6916.957.124.162.1151.19378.9516.655.68
22Q1 (10)2.74-28.088.30.29-29.2731.8233.2739.38-7.53315.2643.69-22.2923.6639.09226.8324.8743.58-25.22
21Q4 (9)3.811.0623.70.4113.8964.023.87-1.04-19.33219.40-12.42-38.5317.01-10.33138.9226.26-11.5-40.36
21Q3 (8)3.7725.6731.360.3638.4656.5224.12-20.5-24.01250.50-27.23-37.1518.9718.71141.96255.65-28.71-39.48
21Q2 (7)3.0018.58-0.330.2618.1830.030.34-15.680.26344.24-15.15-24.6515.98120.7248.79358.59-17.46-24.73
21Q1 (6)2.53-17.8611.950.22-12.037.535.9821.6-10.61405.6913.67-28.437.241.69-56.46434.4414.51-26.42
20Q4 (5)3.087.320.650.258.725.029.59-6.77-0.37356.91-10.45-22.037.12-9.18-62.27379.39-10.19-19.04
20Q3 (4)2.87-4.650.00.2315.00.031.744.890.0398.55-12.770.07.84-27.00.0422.45-11.320.0
20Q2 (3)3.0133.190.00.2025.00.030.26-24.820.0456.88-19.40.010.74-35.420.0476.40-19.310.0
20Q1 (2)2.26-26.140.00.16-20.00.040.2535.520.0566.8223.830.016.63-11.870.0590.4426.00.0
19Q4 (1)3.060.00.00.200.00.029.700.00.0457.750.00.018.870.00.0468.590.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)12.224.181.1911.2129.86-4.02306.67-9.7817.88-28.02318.65-7.96
2022 (9)11.73-15.181.07-19.5531.1117.89339.9323.524.8473.58346.2020.49
2021 (8)13.8329.011.3358.3326.39-22.52275.24-36.4914.3111.36287.32-36.79
2020 (7)10.72-11.040.847.6934.0612.45433.38-6.8812.85-47.66454.58-3.51
2019 (6)12.05-13.680.782.6330.2915.83465.40-2.7124.5537.46471.14-3.19
2018 (5)13.96-33.620.76-38.7126.1550.63478.3662.2117.86355.61486.6457.83
2017 (4)21.03115.471.2447.6217.36-53.56294.90-32.243.92-52.43308.34-33.6
2016 (3)9.76-1.310.84-14.2937.381.27435.2116.618.24-2.14464.3415.59
2015 (2)9.8911.120.98-27.4136.91-10.02373.2137.98.4262.86401.7031.06
2014 (1)8.90-22.811.35-61.141.0229.61270.64157.345.171623.33306.49124.5

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