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)0.93-6.0617.721.42-6.5832.7198.056.81-14.5863.926.68-25.1254.2023.6-8.1107.77-0.09-23.65
24Q2 (19)0.99-1.032.01.520.055.191.800.56-23.8659.92-0.22-35.6943.85-0.68-35.91107.870.63-25.77
24Q1 (18)1.000.040.851.524.1142.0691.290.47-28.9760.05-3.58-29.6344.15-6.36-34.22107.201.14-26.95
23Q4 (17)1.0026.5813.641.4636.4522.6990.86-20.84-12.0562.28-27.04-18.8547.15-20.06-5.38105.99-24.91-18.62
23Q3 (16)0.795.33-9.21.079.1815.05114.78-4.799.9285.36-8.38-13.0858.98-13.814.04141.16-2.86-6.46
23Q2 (15)0.755.6331.580.98-8.4119.51120.56-6.2-24.393.179.18-15.6668.421.94-8.96145.31-0.97-25.32
23Q1 (14)0.71-19.3226.791.07-10.08-17.69128.5324.41-20.5685.3411.1921.9867.1234.7-7.05146.7412.67-8.02
22Q4 (13)0.881.1527.541.1927.96-26.54103.31-1.06-21.4776.75-21.8536.5249.83-3.65-8.25130.24-13.7-2.41
22Q3 (12)0.8752.6317.570.9313.41-40.76104.42-34.44-15.1798.21-11.169.9451.72-31.18-8.25150.91-22.4421.18
22Q2 (11)0.571.79-35.230.82-36.92-52.87159.27-1.5653.87110.4757.9111.0675.154.0751.54194.5821.9783.1
22Q1 (10)0.56-18.8412.01.30-19.7531.31161.7922.99-11.8969.9624.44-24.0772.2132.96-11.69159.5319.53-17.77
21Q4 (9)0.69-6.7630.191.623.1845.95131.556.86-22.7156.22-2.72-31.2754.31-3.65-35.01133.467.17-20.76
21Q3 (8)0.74-15.9112.121.57-9.7726.61123.1018.93-11.2157.7910.41-21.0856.3713.67-24.15124.5317.18-9.47
21Q2 (7)0.8876.0-4.351.7475.7665.71103.51-43.634.2352.34-43.2-39.8949.59-39.35-20.21106.27-45.22-14.46
21Q1 (6)0.50-5.660.00.99-10.8162.3183.627.881.1892.1412.64-38.3281.77-2.151.77194.0015.18-22.56
20Q4 (5)0.53-19.7-11.671.11-10.4844.16170.2022.7612.3381.8011.7-30.9283.5712.4516.04168.4322.45-14.9
20Q3 (4)0.66-28.260.01.2418.10.0138.6439.60.073.23-15.90.074.3219.580.0137.5510.710.0
20Q2 (3)0.9284.00.01.0572.130.099.31-45.280.087.08-41.710.062.15-22.650.0124.24-50.410.0
20Q1 (2)0.50-16.670.00.61-20.780.0181.4819.770.0149.3826.140.080.3511.570.0250.5126.570.0
19Q4 (1)0.600.00.00.770.00.0151.520.00.0118.420.00.072.020.00.0197.920.00.0
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)2.9820.654.661.08122.39-17.2278.33-0.9758.33-17.17142.39-9.03
2022 (9)2.47-13.944.61-24.05147.8516.2379.1031.5770.4212.92156.5325.24
2021 (8)2.8719.586.0762.3127.21-16.5260.12-38.3662.36-18.85124.98-27.79
2020 (7)2.400.423.7421.82152.39-0.4197.54-17.9876.8514.7173.07-15.55
2019 (6)2.394.373.078.87153.01-3.84118.92-7.9867.00-2.25204.94-6.76
2018 (5)2.29-9.492.82-6.62159.1210.09129.236.8768.54-8.56219.8015.39
2017 (4)2.53-11.543.02-10.12144.5313.09120.9211.4774.961.37190.4917.35
2016 (3)2.866.323.36-2.04127.80-5.73108.482.0173.95-3.79162.32-1.66
2015 (2)2.693.073.43-4.19135.57-2.98106.344.1876.86-5.18165.062.69
2014 (1)2.61-33.253.58-36.07139.7449.82102.0756.6281.0653.87160.7451.99

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