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
21Q1 (20)0.73-38.14-42.520.53-28.3829.27124.0561.3672.96172.5540.31-21.44133.8250.829.1162.7946.5-13.27
20Q4 (19)1.18-23.870.00.747.2585.076.8831.22-0.61122.98-6.21-46.4488.7410.1-19.58111.121.85-43.49
20Q3 (18)1.5522.0516.540.6960.4750.058.59-18.04-14.05131.12-37.64-33.9380.60-26.37-19.75109.10-36.67-34.36
20Q2 (17)1.270.0-10.560.434.88-8.5171.49-0.3211.56210.25-4.279.59109.465.628.97172.28-8.210.71
20Q1 (16)1.277.634.960.412.517.1471.72-7.28-4.49219.63-4.35-15.84103.66-6.0511.16187.69-4.55-22.7
19Q4 (15)1.18-11.28-0.840.40-13.040.077.3513.471.47229.6315.7-0.03110.349.8639.67196.6418.32-13.36
19Q3 (14)1.33-6.3418.750.46-2.134.5568.176.38-16.35198.473.45-3.69100.4418.3546.58166.20-2.85-24.13
19Q2 (13)1.4217.3613.60.4734.290.064.08-14.66-11.91191.86-26.48-1.4684.87-8.9939.11171.07-29.55-17.13
19Q1 (12)1.211.685.220.35-12.50.075.09-1.5-5.17260.9713.61-1.0193.2518.049.86242.816.99-5.86
18Q4 (11)1.196.2535.230.40-9.0929.0376.23-6.45-26.25229.7111.47-22.1279.0015.29-23.29226.953.6-23.16
18Q3 (10)1.12-10.44.670.44-6.38-4.3581.4912.03-4.25206.085.844.4868.5212.31-13.9219.066.118.03
18Q2 (9)1.258.74.170.4734.29-16.0772.74-8.13-4.02194.70-26.1419.761.01-28.12-17.09206.44-19.9625.22
18Q1 (8)1.1530.68-7.260.3512.9-36.3679.18-23.397.79263.62-10.6359.0184.88-17.588.93257.92-12.6759.86
17Q4 (7)0.88-17.76-16.980.31-32.61-40.38103.3621.4419.92294.9749.5569.17102.9829.416.97295.3545.6671.21
17Q3 (6)1.07-10.83-2.730.46-17.86-24.5985.1112.33.04197.2421.2733.0579.588.140.0202.7723.034.05
17Q2 (5)1.20-3.23-2.440.561.82-9.6875.793.172.03162.65-1.8911.4273.59-5.56-0.46164.862.1812.66
17Q1 (4)1.2416.980.00.555.770.073.46-14.770.0165.79-4.920.077.92-11.490.0161.34-6.470.0
16Q4 (3)1.06-3.640.00.52-14.750.086.194.350.0174.3617.610.088.0410.630.0172.5114.040.0
16Q3 (2)1.10-10.570.00.61-1.610.082.6011.20.0148.251.560.079.587.640.0151.273.380.0
16Q2 (1)1.230.00.00.620.00.074.280.00.0145.980.00.073.930.00.0146.330.00.0
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
2020 (10)6.07-3.042.5339.0160.093.03144.48-27.8880.881.89123.69-31.01
2019 (9)6.2614.031.8210.358.32-12.21200.33-9.3979.387.13179.28-16.0
2018 (8)5.491.11.65-13.6166.43-1.2221.1015.7374.10-2.05213.4316.86
2017 (7)5.43-0.371.91-15.1167.240.34191.0517.8275.65-2.65182.6420.6
2016 (6)5.45-7.942.25-0.8867.018.71162.150.6477.715.08151.441.77
2015 (5)5.92-6.182.27-5.4261.646.51161.125.7773.9511.45148.803.44
2014 (4)6.31-4.682.40-0.8357.874.97152.331.0466.35-13.15143.8511.09
2013 (3)6.624.252.42-7.2855.13-4.11150.767.8976.40-10.23129.4915.5
2012 (2)6.3502.61057.490139.74085.110112.110

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