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)0.98-2.013.951.8625.6824.092.671.52-12.2948.91-20.32-19.2642.41-21.845.6699.170.78-21.35
24Q2 (19)1.001.01-16.671.4811.28-12.4391.28-0.920.261.38-10.5813.7154.26-0.97100.9698.40-7.13-4.39
24Q1 (18)0.997.6111.241.33-5.030.3992.11-6.71-10.0568.645.62-23.2254.7914.4637.84105.96-8.54-30.31
23Q4 (17)0.926.9833.331.40-6.6759.0998.73-6.55-25.3764.997.28-37.3247.8719.264.75115.86-8.11-39.11
23Q3 (16)0.86-28.3338.711.50-11.2445.63105.6539.12-28.0960.5812.23-31.7240.1448.670.83126.0922.51-35.61
23Q2 (15)1.2034.8364.381.6965.6922.4675.94-25.84-39.3153.98-39.62-17.9327.00-32.08-14.99102.92-32.31-35.32
23Q1 (14)0.8928.9932.841.0215.91-18.4102.40-22.6-25.1589.40-13.7722.939.75-13.02-6.65152.05-20.09-8.94
22Q4 (13)0.6911.29-28.130.88-14.56-42.48132.30-9.9438.97103.6816.8673.9945.7014.833.7190.28-2.8357.76
22Q3 (12)0.62-15.07-19.481.03-25.36-7.21146.9117.4223.988.7234.898.0539.8125.35-1.19195.8223.0622.08
22Q2 (11)0.738.96-10.981.3810.49.52125.12-8.5412.1265.77-9.58-8.9731.76-25.41-14.39159.12-4.78.44
22Q1 (10)0.67-30.21-11.841.25-18.3-4.58136.8143.7114.5872.7422.074.5142.5824.586.64166.9738.4412.01
21Q4 (9)0.9624.6829.731.5337.847.7595.20-19.71-22.2359.59-27.43-6.7334.18-15.17-20.33120.61-24.81-15.89
21Q3 (8)0.77-6.1-14.441.11-11.9-28.85118.576.2617.8682.1113.6540.8640.298.65.72160.409.3132.8
21Q2 (7)0.827.89-1.21.26-3.82-4.55111.59-6.541.8272.253.815.1837.10-7.09-3.99146.74-1.565.07
21Q1 (6)0.762.720.631.31-7.7515.93119.40-2.46-17.5669.608.94-13.7539.93-6.92-27.87149.073.95-12.4
20Q4 (5)0.74-17.78-7.51.42-8.97-13.94122.4121.687.9563.899.6116.1442.9012.57-11.6143.4018.7319.63
20Q3 (4)0.908.430.01.5618.180.0100.60-8.210.058.29-15.140.038.11-1.370.0120.78-13.520.0
20Q2 (3)0.8331.750.01.3216.810.0109.60-24.330.068.69-14.880.038.64-30.20.0139.66-17.930.0
20Q1 (2)0.63-21.250.01.13-31.520.0144.8327.730.080.7046.70.055.3614.070.0170.1741.960.0
19Q4 (1)0.800.00.01.650.00.0113.390.00.055.010.00.048.530.00.0119.870.00.0
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)4.2535.785.128.2585.95-26.271.23-7.7941.87-6.93115.31-22.47
2022 (9)3.135.744.73-16.13116.46-5.4977.2519.3444.995.22148.722.42
2021 (8)2.963.865.6414.63123.23-3.8764.73-12.842.76-21.41145.20-1.9
2020 (7)2.85-16.914.92-25.68128.1920.4274.2334.5754.41-6.08148.0142.77
2019 (6)3.4316.276.62-10.05106.45-13.955.1611.2157.93-6.58103.67-6.79
2018 (5)2.95-19.187.36-26.47123.6323.4849.6036.062.018.37111.2240.13
2017 (4)3.653.6910.010.6100.12-3.3836.47-0.5557.22-11.3679.374.79
2016 (3)3.5214.299.95-5.69103.62-12.5436.676.0464.5529.1375.74-26.51
2015 (2)3.08-23.9510.55-10.67118.4831.5734.5811.9149.9923.22103.0628.22
2014 (1)4.05011.81090.05030.90040.57080.380

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