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
24Q2 (20)0.5517.0230.950.589.435.45166.39-14.21-23.87157.64-8.24-4.7156.816.5126.98267.22-14.46-21.24
24Q1 (19)0.47-6.038.240.53-8.62-19.7193.957.01-27.05171.798.7625.2553.340.023.22312.419.29-13.15
23Q4 (18)0.50-1.9625.00.58-6.45-14.71181.240.83-20.62157.967.3218.8853.3417.4623.3285.861.54-10.09
23Q3 (17)0.5121.434.080.6212.73-17.33179.75-17.76-3.45147.18-11.0421.5945.411.516.32281.52-17.024.97
23Q2 (16)0.4223.53-4.550.55-16.67-23.61218.57-17.786.38165.4420.6231.744.743.35-4.14339.27-5.6819.28
23Q1 (15)0.34-15.0-27.660.66-2.94-10.81265.8516.4338.56137.163.2310.9743.290.07-20.29359.7213.1437.74
22Q4 (14)0.40-18.37-18.370.68-9.33-16.05228.3322.6523.72132.879.7618.0543.2610.81-22.74317.9418.5531.87
22Q3 (13)0.4911.36-3.920.754.17-5.06186.17-9.394.49121.05-3.645.0739.04-16.35-31.9268.18-5.7113.61
22Q2 (12)0.44-6.38-20.00.72-2.7-8.86205.477.0924.79125.621.638.7346.67-14.07-9.87284.428.9124.53
22Q1 (11)0.47-4.08-9.620.74-8.641.37191.863.968.69123.609.82-1.1454.31-3.09.83261.158.313.6
21Q4 (10)0.49-3.92-16.950.812.532.53184.553.5820.39112.55-2.31-1.955.99-2.3440.57241.112.145.66
21Q3 (9)0.51-7.27-1.920.790.036.21178.178.212.56115.21-0.28-27.0857.3310.7213.23236.053.35-16.02
21Q2 (8)0.555.7719.570.798.2241.07164.65-6.72-16.07115.53-7.59-28.8651.784.71-5.01228.39-9.4-24.89
21Q1 (7)0.52-11.8626.830.73-7.5940.38176.5215.15-21.44125.028.97-28.3349.4524.15-14.96252.0810.47-26.07
20Q4 (6)0.5913.4628.260.7936.2136.21153.29-11.76-21.85114.73-27.38-26.6439.83-21.33-28.31228.19-18.82-23.16
20Q3 (5)0.5213.044.00.583.57-1.69173.72-11.45-4.88157.99-2.713.0350.63-7.12-13.41281.08-7.561.29
20Q2 (4)0.4612.20.00.567.690.0196.18-12.690.0162.39-6.910.054.51-6.260.0304.06-10.830.0
20Q1 (3)0.41-10.870.00.52-10.340.0224.6914.560.0174.4511.550.058.154.660.0340.9914.820.0
19Q4 (2)0.46-8.00.00.58-1.690.0196.147.390.0156.391.990.055.56-4.980.0296.977.020.0
19Q3 (1)0.500.00.00.590.00.0182.640.00.0153.340.00.058.470.00.0277.500.00.0
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)1.54-13.482.40-19.19237.2115.45152.3824.0149.68-0.56339.9122.1
2022 (9)1.78-15.642.97-5.41205.4618.54122.885.6949.961.36278.3815.85
2021 (8)2.1114.673.1428.16173.33-12.64116.26-22.1149.29-2.74240.30-19.09
2020 (7)1.84-1.082.454.26198.411.33149.27-4.0650.68-15.24297.001.86
2019 (6)1.86-3.122.352.62195.803.04155.59-2.5959.79-14.52291.594.21
2018 (5)1.922.132.2923.12190.03-2.27159.73-18.4169.951.49279.81-12.91
2017 (4)1.8812.571.8637.78194.44-10.9195.78-27.4968.921.38321.30-23.55
2016 (3)1.6712.081.35-8.78218.23-10.7270.019.3467.98-1.22420.26-0.53
2015 (2)1.49-23.21.48-35.93244.3829.83246.9456.0168.8217.6422.5046.71
2014 (1)1.94-12.222.31-13.81188.2313.89158.2816.1858.52-8.72287.9821.3

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