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)3.66-10.7319.610.6425.4910.3424.8611.88-16.49142.17-20.29-9.1837.39-26.627.48129.65-13.36-17.42
24Q2 (19)4.1013.5750.740.51-8.93-8.9322.22-11.93-33.47178.3710.089.9450.9412.52108.51149.645.4-12.59
24Q1 (18)3.618.0824.050.56-12.57.6925.23-7.45-19.37162.0314.44-6.9945.2731.5655.41141.985.62-19.5
23Q4 (17)3.349.158.790.6410.3430.6127.26-8.43-8.18141.59-9.55-23.3134.4117.323.77134.43-14.37-25.79
23Q3 (16)3.0612.5-4.380.583.5720.8329.77-10.874.82156.54-3.51-17.8729.3320.06-24.25156.99-8.3-12.92
23Q2 (15)2.72-6.53-9.630.567.6947.3733.406.7410.52162.24-6.87-32.0324.43-16.13-59.92171.20-2.93-17.68
23Q1 (14)2.91-5.216.590.526.1218.1831.295.39-6.29174.21-5.64-14.9129.13-12.15-55.42176.37-2.632.08
22Q4 (13)3.07-4.06-19.420.492.08-25.7629.694.5424.43184.62-3.1433.0433.16-14.36-24.65181.140.4752.71
22Q3 (12)3.206.31-4.480.4826.32-5.8828.40-6.024.49190.61-20.157.3238.72-36.47-21.17180.29-13.3115.82
22Q2 (11)3.0110.26-21.410.38-13.64-34.4830.22-9.4927.14238.7116.5951.6760.95-6.7342.34207.9820.3850.34
22Q1 (10)2.73-28.353.410.44-33.33-8.3333.3939.94-2.99204.7447.546.9465.3548.4927.89172.7745.65-1.14
21Q4 (9)3.8113.737.320.6629.410.023.86-12.21-7.01138.77-21.870.2544.01-10.424.46118.62-23.8-7.85
21Q3 (8)3.35-12.53-6.420.51-12.07-3.7727.1814.356.92177.6112.853.0249.1214.717.77155.6712.532.25
21Q2 (7)3.8345.0831.620.5820.8318.3723.77-30.94-23.89157.39-17.79-15.542.82-16.2-19.33138.34-20.84-15.85
21Q1 (6)2.64-25.63-4.350.48-27.27-11.1134.4234.144.24191.4538.313.5251.1044.5111.21174.7735.7612.23
20Q4 (5)3.55-0.8413.420.6624.53-20.4825.660.94-11.76138.43-19.726.0735.36-22.42-2.19128.73-15.4425.31
20Q3 (4)3.5823.020.00.538.160.025.42-18.60.0172.40-7.440.045.58-14.130.0152.24-7.40.0
20Q2 (3)2.915.430.00.49-9.260.031.23-5.420.0186.2510.440.053.0815.520.0164.405.570.0
20Q1 (2)2.76-11.820.00.54-34.940.033.0213.550.0168.6553.60.045.9527.110.0155.7251.580.0
19Q4 (1)3.130.00.00.830.00.029.080.00.0109.800.00.036.150.00.0102.730.00.0
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)11.775.662.123.4131.00-5.43172.18-3.3532.75-28.87170.423.36
2022 (9)11.146.812.05-10.0932.78-6.34178.1511.1146.04-7.7164.8813.36
2021 (8)10.43-9.782.28-5.035.0010.86160.335.2249.8829.49145.450.01
2020 (7)11.56-19.612.401.6931.5724.34152.38-1.5138.52-0.49145.432.85
2019 (6)14.38-9.622.3610.2825.3910.63154.72-9.1838.71-3.66141.40-7.65
2018 (5)15.91-5.472.14-7.3622.955.81170.358.0140.181.49153.129.51
2017 (4)16.8324.672.31-4.5521.69-19.79157.714.639.5912.79139.82-2.03
2016 (3)13.50-1.172.42-11.0327.041.2150.7812.5635.1010.62142.7210.68
2015 (2)13.66-10.842.72-4.2326.7212.13133.964.2131.73-20.73128.9514.77
2014 (1)15.326.022.843.2723.83-5.66128.55-3.2340.036.26112.36-6.7

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