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)2.05-9.29-21.150.442.33-2.2244.3110.026.67208.27-0.812.58102.73-6.43.46149.846.648.02
24Q2 (19)2.2660.2817.10.4330.32.3840.28-37.42-14.44209.98-22.72-2.77109.76-28.2819.06140.51-23.24-17.76
24Q1 (18)1.41-52.6876.250.33-52.1737.564.37111.05-43.3271.73105.06-29.28153.04104.49-10.97183.05107.59-43.83
23Q4 (17)2.9814.62106.940.6953.3332.6930.50-12.81-51.69132.51-34.73-24.6174.84-24.62-17.5688.18-36.43-40.47
23Q3 (16)2.6034.72205.880.457.1445.1634.98-25.7-67.4203.03-5.99-31.4399.297.7-40.53138.72-18.81-41.33
23Q2 (15)1.93141.2596.940.4275.0-8.747.08-58.53-49.34215.96-43.798.9692.19-46.37-23.54170.85-47.570.16
23Q1 (14)0.80-44.4429.030.24-53.85-38.46113.5379.84-22.91384.22118.5964.9171.9089.362.54325.86120.053.26
22Q4 (13)1.4469.4125.220.5267.74-39.5363.13-41.17-20.47175.77-40.6465.6690.78-45.622.87148.12-37.3652.34
22Q3 (12)0.85-13.27-9.570.31-32.61-46.55107.3115.4610.74296.1049.3988.8166.9538.4727.64236.4638.6392.35
22Q2 (11)0.9858.06-29.50.4617.95-36.9992.94-36.8941.94198.20-14.9458.52120.57-28.0828.23170.57-19.7876.81
22Q1 (10)0.62-46.09-12.680.39-54.65-29.09147.2685.5114.39233.00119.640.79167.6489.9632.14212.62118.6827.05
21Q4 (9)1.1522.3418.560.8648.28-4.4479.38-18.08-14.96106.10-32.355.4488.25-32.537.597.23-20.91-13.09
21Q3 (8)0.94-32.379.30.58-20.55-17.1496.9047.98-8.19156.8325.4320.49130.8039.145.0122.9327.43-15.51
21Q2 (7)1.3995.77110.610.7332.7340.3865.48-49.13-52.31125.03-24.45-27.9994.03-25.88-22.2196.47-42.35-49.25
21Q1 (6)0.71-26.814.520.55-38.891.85128.7337.92-12.72165.4964.45-2.04126.8754.55-6.04167.3549.59-7.74
20Q4 (5)0.9712.79-21.140.9028.57-6.2593.34-11.5626.32100.63-22.696.6682.09-9.017.54111.87-23.1113.7
20Q3 (4)0.8630.30.00.7034.620.0105.54-23.140.0130.16-25.040.090.21-25.370.0145.50-23.450.0
20Q2 (3)0.666.450.00.52-3.70.0137.31-6.90.0173.642.780.0120.87-10.490.0190.084.790.0
20Q1 (2)0.62-49.590.00.54-43.750.0147.4999.610.0168.9479.060.0135.0393.340.0181.3984.360.0
19Q4 (1)1.230.00.00.960.00.073.890.00.094.350.00.069.840.00.098.390.00.0
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)6.0386.691.9811.2460.54-46.48184.03-10.4104.79-21.38139.78-24.53
2022 (9)3.23-5.281.78-42.02113.115.62205.3972.74133.2826.02185.2154.05
2021 (8)3.418.953.071.99107.09-8.28118.90-1.93105.76-2.77120.23-6.96
2020 (7)3.137.193.0111.9116.76-6.7121.24-10.76108.77-5.13129.23-11.7
2019 (6)2.9222.182.69-5.28125.14-18.16135.865.63114.655.69146.35-15.42
2018 (5)2.395.292.842.53152.90-4.78128.62-2.23108.482.34173.04-7.02
2017 (4)2.27-1.732.7716.88160.571.73131.55-14.52106.00-20.59186.114.41
2016 (3)2.31-3.352.37-10.9157.843.52153.8912.31133.495.17178.259.65
2015 (2)2.39-15.252.66-3.97152.4717.64137.024.02126.9327.24162.570.61
2014 (1)2.825.622.7717.37129.61-5.22131.73-15.0199.76-6.15161.58-12.87

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