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)1.389.5248.391.55-8.821.9766.12-8.64-32.6558.589.47-2.257.19-1.3815.0567.50-0.57-37.71
24Q2 (19)1.2635.4835.481.7016.4418.8872.37-26.32-25.9353.51-14.08-15.7757.99-14.885.0467.89-26.5-35.97
24Q1 (18)0.93-12.2616.251.46-17.51-2.6798.2214.42-13.7162.2821.02.3568.1337.2227.292.375.37-23.72
23Q4 (17)1.0613.984.951.7716.451.7285.84-12.56-4.3151.47-14.07-1.7949.65-0.1215.9587.66-19.11-11.72
23Q3 (16)0.930.0-6.061.526.29-4.498.170.477.2459.90-5.714.3649.71-9.9614.59108.372.212.66
23Q2 (15)0.9316.2516.251.43-4.67-8.9297.71-14.15-14.4563.534.49.7255.213.0823.62106.03-12.44-16.81
23Q1 (14)0.80-20.7921.211.50-13.79-3.23113.8226.88-17.660.8516.13.5953.5625.0815.41121.1021.95-19.51
22Q4 (13)1.012.0221.691.749.43-5.9589.71-2.0-17.9752.41-8.696.5242.82-1.2917.2599.30-5.93-18.63
22Q3 (12)0.9923.7526.921.591.27-25.791.54-19.85-21.9357.40-0.8634.9643.38-2.8732.62105.56-17.18-16.93
22Q2 (11)0.8021.21-5.881.571.29-31.74114.21-17.326.5457.90-1.4346.5144.66-3.7737.92127.45-15.2911.47
22Q1 (10)0.66-20.488.21.55-16.22-26.19138.1326.31-7.6958.7419.3935.646.4127.0833.67150.4623.29-4.92
21Q4 (9)0.836.411.221.85-13.55-30.19109.36-6.73-1.1749.2015.6843.436.5211.6538.49122.04-3.962.89
21Q3 (8)0.78-8.24-8.242.14-6.96-7.76117.259.379.4842.537.628.2732.711.020.71127.0711.1311.57
21Q2 (7)0.8539.34-11.462.309.52-2.13107.20-28.3613.0639.52-8.772.0432.38-6.74-2.68114.34-27.7414.02
21Q1 (6)0.61-25.610.02.10-20.757.69149.6435.23-0.3343.3226.26-7.3234.7231.66-14.57158.2433.411.27
20Q4 (5)0.82-3.53-7.872.6514.22-5.69110.663.327.8534.31-12.655.9626.37-18.81-7.93118.614.1411.53
20Q3 (4)0.85-11.460.02.32-1.280.0107.1012.950.039.281.420.032.48-2.370.0113.8913.570.0
20Q2 (3)0.9657.380.02.3520.510.094.82-36.850.038.73-17.140.033.27-18.130.0100.28-35.820.0
20Q1 (2)0.61-31.460.01.95-30.60.0150.1446.320.046.7444.350.040.6441.90.0156.2546.920.0
19Q4 (1)0.890.00.02.810.00.0102.610.00.032.380.00.028.640.00.0106.350.00.0
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)3.7015.266.44-8.5298.64-13.3456.709.3154.4930.67100.85-18.67
2022 (9)3.2113.037.04-6.51113.82-11.2951.876.9941.7013.65124.00-11.49
2021 (8)2.84-1.057.53-21.15128.310.8748.4826.8836.6913.8140.105.2
2020 (7)2.87-8.019.55-3.24127.208.8338.213.3532.240.72133.179.3
2019 (6)3.12-17.899.87-3.33116.8821.7536.973.4732.012.33121.8421.28
2018 (5)3.80-8.6510.2110.8696.009.4835.73-9.8931.28-13.26100.4610.07
2017 (4)4.16-6.739.2114.6987.697.239.65-12.836.06-5.5891.272.47
2016 (3)4.4611.228.03-1.4781.80-10.245.471.5938.1915.4589.07-13.32
2015 (2)4.01-11.678.15-13.8591.0913.2744.7616.0233.087.93102.7616.31
2014 (1)4.54-11.849.46-3.9680.4213.4438.584.1630.65-3.9588.3516.22

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