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
21Q4 (20)0.891.14-16.820.51-1.92-13.56102.51-0.8220.73177.722.1914.47102.836.0517.78177.41-1.6116.07
21Q3 (19)0.88-4.35-15.380.52-7.14-7.14103.364.7417.98173.917.977.596.9613.0217.74180.313.657.94
21Q2 (18)0.929.52-6.120.5624.449.898.68-8.826.05161.07-19.88-9.0685.79-25.037.28173.96-10.71-8.54
21Q1 (17)0.84-21.57.690.45-23.7312.5108.2327.46-6.99201.0429.49-12.61114.4431.0722.58194.8327.46-23.01
20Q4 (16)1.072.884.90.595.369.2684.91-3.08-5.16155.25-4.04-7.387.316.0231.04152.85-8.5-19.71
20Q3 (15)1.046.127.220.569.812.087.61-5.85-6.29161.78-8.66-10.4682.352.9825.61167.05-12.17-19.92
20Q2 (14)0.9825.6411.360.5127.56.2593.05-20.03-9.76177.12-23.01-7.4479.97-14.3430.39190.20-24.84-18.42
20Q1 (13)0.78-23.53-9.30.40-25.93-14.89116.3629.979.85230.0637.3718.1993.3640.1243.04253.0732.947.55
19Q4 (12)1.025.1510.870.548.05.8889.53-4.24-9.36167.47-7.31-5.866.631.632.16190.37-8.74-9.93
19Q3 (11)0.9710.236.590.504.174.1793.49-9.33-6.0180.67-5.59-3.9465.566.9-0.82208.61-10.52-5.8
19Q2 (10)0.882.33-12.870.482.13-4.0103.11-2.6614.49191.36-1.695.9161.33-6.046.02233.14-0.929.51
19Q1 (9)0.86-6.52-23.890.47-7.84-7.84105.937.2431.64194.659.4810.1365.270.0813.53235.3111.3417.81
18Q4 (8)0.921.1-6.120.516.2518.698.78-0.686.54177.79-5.48-16.7965.22-1.33-8.48211.35-4.56-10.11
18Q3 (7)0.91-9.9-15.740.48-4.02.1399.4610.4418.4188.094.1-2.3466.1014.269.17221.454.022.49
18Q2 (6)1.01-10.62-9.820.50-1.964.1790.0611.9210.84180.692.23-3.8257.850.638.09212.896.59-1.26
18Q1 (5)1.1315.3118.950.5118.630.7780.47-13.21-16.24176.75-17.28-24.2857.49-19.32-20.95199.73-15.05-22.22
17Q4 (4)0.98-9.260.00.43-8.510.092.7210.380.0213.6610.930.071.2617.690.0235.118.820.0
17Q3 (3)1.08-3.570.00.47-2.080.084.003.380.0192.602.520.060.5513.140.0216.060.210.0
17Q2 (2)1.1217.890.00.4823.080.081.25-15.430.0187.87-19.520.053.52-26.410.0215.61-16.030.0
17Q1 (1)0.950.00.00.390.00.096.070.00.0233.430.00.072.730.00.0256.780.00.0
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
2021 (10)3.78-3.082.071.4796.583.32176.42-1.17106.2712.18166.73-5.95
2020 (9)3.904.02.042.093.48-3.91178.51-2.2894.7327.02177.27-13.69
2019 (8)3.75-7.642.003.0997.288.11182.68-2.8574.586.35205.39-1.2
2018 (7)4.06-0.251.9414.1289.980.45188.03-12.6770.13-10.51207.88-8.23
2017 (6)4.074.091.705.5989.58-4.07215.31-5.0178.37-3.52226.52-5.15
2016 (5)3.91-16.091.61-4.1793.3819.34226.674.281.236.73238.828.71
2015 (4)4.66-17.381.685.078.2520.83217.54-4.3976.11-0.81219.691.92
2014 (3)5.641.811.6012.6864.76-1.67227.53-11.4876.73-11.02215.56-8.93
2013 (2)5.5438.151.42-27.9265.86-27.61257.0538.9686.230.68236.6924.38
2012 (1)4.0101.97090.980184.98085.650190.300

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